97251804 has 72 divisors (see below), whose sum is σ = 278700240. Its totient is φ = 28346112.

The previous prime is 97251793. The next prime is 97251809. The reversal of 97251804 is 40815279.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97251809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3424 + ... + 14360.

Almost surely, 2^97251804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97251804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139350120).

97251804 is an abundant number, since it is smaller than the sum of its proper divisors (181448436).

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

97251804 is a wasteful number, since it uses less digits than its factorization.

97251804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10979 (or 10974 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 97251804 is about 9861.6329276647. The cubic root of 97251804 is about 459.8673278382.

The spelling of 97251804 in words is "ninety-seven million, two hundred fifty-one thousand, eight hundred four".