1336697838 has 96 divisors (see below), whose sum is σ = 3380981760. Its totient is φ = 373792320.

The previous prime is 1336697837. The next prime is 1336697839. The reversal of 1336697838 is 8387966331.

It is an interprime number because it is at equal distance from previous prime (1336697837) and next prime (1336697839).

It is a super-2 number, since 2×1336697838² = 3573522220227748488, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1336697837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1612008 + ... + 1612836.

It is an arithmetic number, because the mean of its divisors is an integer number (35218560).

Almost surely, 2^1336697838 is an apocalyptic number.

1336697838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1336697838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690490880).

1336697838 is an abundant number, since it is smaller than the sum of its proper divisors (2044283922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1336697838 is a wasteful number, since it uses less digits than its factorization.

1336697838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1099 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 1336697838 is about 36560.8785178912. The cubic root of 1336697838 is about 1101.5674178274.

The spelling of 1336697838 in words is "one billion, three hundred thirty-six million, six hundred ninety-seven thousand, eight hundred thirty-eight".