97811400 has 48 divisors (see below), whose sum is σ = 303217200. Its totient is φ = 26082880.

The previous prime is 97811393. The next prime is 97811419. The reversal of 97811400 is 411879.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80910 + ... + 82109.

It is an arithmetic number, because the mean of its divisors is an integer number (6317025).

Almost surely, 2^97811400 is an apocalyptic number.

It is an amenable number.

97811400 is an abundant number, since it is smaller than the sum of its proper divisors (205405800).

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

97811400 is a wasteful number, since it uses less digits than its factorization.

97811400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163038 (or 163029 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 97811400 is about 9889.9646106546. The cubic root of 97811400 is about 460.7476813551.

The spelling of 97811400 in words is "ninety-seven million, eight hundred eleven thousand, four hundred".