1397098800 has 120 divisors (see below), whose sum is σ = 4972675280. Its totient is φ = 372556800.

The previous prime is 1397098789. The next prime is 1397098817. The reversal of 1397098800 is 88907931.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1397098800² = 3903770113922880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53881 + ... + 75480.

Almost surely, 2^1397098800 is an apocalyptic number.

1397098800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1397098800 is an abundant number, since it is smaller than the sum of its proper divisors (3575576480).

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

1397098800 is a wasteful number, since it uses less digits than its factorization.

1397098800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129388 (or 129371 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1397098800 is about 37377.7848460820. The cubic root of 1397098800 is about 1117.9156599769.

The spelling of 1397098800 in words is "one billion, three hundred ninety-seven million, ninety-eight thousand, eight hundred".