97923408 has 80 divisors (see below), whose sum is σ = 277696512. Its totient is φ = 29488000.

The previous prime is 97923379. The next prime is 97923431. The reversal of 97923408 is 80432979.

It is a self number, because there is not a number n which added to its sum of digits gives 97923408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100363 + ... + 101333.

Almost surely, 2^97923408 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 97923408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138848256).

97923408 is an abundant number, since it is smaller than the sum of its proper divisors (179773104).

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

97923408 is a wasteful number, since it uses less digits than its factorization.

97923408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 97923408 is about 9895.6257002779. The cubic root of 97923408 is about 460.9234881953.

The spelling of 97923408 in words is "ninety-seven million, nine hundred twenty-three thousand, four hundred eight".