97989804 has 48 divisors (see below), whose sum is σ = 277146240. Its totient is φ = 29693520.

The previous prime is 97989799. The next prime is 97989809. The reversal of 97989804 is 40898979.

It is an interprime number because it is at equal distance from previous prime (97989799) and next prime (97989809).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (97989809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40054 + ... + 42429.

It is an arithmetic number, because the mean of its divisors is an integer number (5773880).

Almost surely, 2^97989804 is an apocalyptic number.

It is an amenable number.

97989804 is an abundant number, since it is smaller than the sum of its proper divisors (179156436).

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

97989804 is a wasteful number, since it uses less digits than its factorization.

97989804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82507 (or 82499 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 97989804 is about 9898.9799474491. The cubic root of 97989804 is about 461.0276395328.

The spelling of 97989804 in words is "ninety-seven million, nine hundred eighty-nine thousand, eight hundred four".