97804 has 18 divisors (see below), whose sum is σ = 199500. Its totient is φ = 41832.

The previous prime is 97789. The next prime is 97813. The reversal of 97804 is 40879.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nialpdrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54 + ... + 445.

2⁹⁷⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

97804 is an abundant number, since it is smaller than the sum of its proper divisors (101696).

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

97804 is a wasteful number, since it uses less digits than its factorization.

97804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 97804 is about 312.7363106516. The cubic root of 97804 is about 46.0736061650.

The spelling of 97804 in words is "ninety-seven thousand, eight hundred four".