97620408 has 48 divisors (see below), whose sum is σ = 264853680. Its totient is φ = 32482944.

The previous prime is 97620403. The next prime is 97620421. The reversal of 97620408 is 80402679.

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 (97620403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66741 + ... + 68187.

It is an arithmetic number, because the mean of its divisors is an integer number (5517785).

Almost surely, 2^97620408 is an apocalyptic number.

It is an amenable number.

97620408 is an abundant number, since it is smaller than the sum of its proper divisors (167233272).

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

97620408 is a wasteful number, since it uses less digits than its factorization.

97620408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 2389 counting only the distinct ones).

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

The square root of 97620408 is about 9880.3040439047. The cubic root of 97620408 is about 460.4475920652.

The spelling of 97620408 in words is "ninety-seven million, six hundred twenty thousand, four hundred eight".