1373866896 has 40 divisors (see below), whose sum is σ = 3735956320. Its totient is φ = 433852416.

The previous prime is 1373866891. The next prime is 1373866903. The reversal of 1373866896 is 6986683731.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (1373866891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752305 + ... + 754128.

It is an arithmetic number, because the mean of its divisors is an integer number (93398908).

Almost surely, 2^1373866896 is an apocalyptic number.

1373866896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1373866896 is an abundant number, since it is smaller than the sum of its proper divisors (2362089424).

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

1373866896 is a wasteful number, since it uses less digits than its factorization.

1373866896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506463 (or 1506457 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 57.

The square root of 1373866896 is about 37065.7105152458. The cubic root of 1373866896 is about 1111.6845067056.

The spelling of 1373866896 in words is "one billion, three hundred seventy-three million, eight hundred sixty-six thousand, eight hundred ninety-six".