1338735 has 16 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 690720.

The previous prime is 1338731. The next prime is 1338737. The reversal of 1338735 is 5378331.

It is not a de Polignac number, because 1338735 - 2² = 1338731 is a prime.

It is a super-2 number, since 2×1338735² = 3584422800450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975 + ... + 1904.

It is an arithmetic number, because the mean of its divisors is an integer number (138240).

2^1338735 is an apocalyptic number.

1338735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1338735 is a deficient number, since it is larger than the sum of its proper divisors (873105).

1338735 is a wasteful number, since it uses less digits than its factorization.

1338735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its digits is 7560, while the sum is 30.

The square root of 1338735 is about 1157.0371644852. The cubic root of 1338735 is about 110.2126739507.

The spelling of 1338735 in words is "one million, three hundred thirty-eight thousand, seven hundred thirty-five".