97620804 has 36 divisors (see below), whose sum is σ = 247079196. Its totient is φ = 32498688.

The previous prime is 97620799. The next prime is 97620823. The reversal of 97620804 is 40802679.

It can be written as a sum of positive squares in 2 ways, for example, as 70560000 + 27060804 = 8400^2 + 5202^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

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, 41812 + ... + 44084.

It is an arithmetic number, because the mean of its divisors is an integer number (6863311).

Almost surely, 2^97620804 is an apocalyptic number.

It is an amenable number.

97620804 is an abundant number, since it is smaller than the sum of its proper divisors (149458392).

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

97620804 is a wasteful number, since it uses less digits than its factorization.

97620804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476 (or 3471 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 97620804 is about 9880.3240837535. The cubic root of 97620804 is about 460.4482146707.

The spelling of 97620804 in words is "ninety-seven million, six hundred twenty thousand, eight hundred four".