97982406 has 32 divisors (see below), whose sum is σ = 218671200. Its totient is φ = 32520960.

The previous prime is 97982393. The next prime is 97982429. The reversal of 97982406 is 60428979.

It is a happy number.

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, 9250 + ... + 16778.

It is an arithmetic number, because the mean of its divisors is an integer number (6833475).

Almost surely, 2^97982406 is an apocalyptic number.

97982406 is an abundant number, since it is smaller than the sum of its proper divisors (120688794).

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

97982406 is a wasteful number, since it uses less digits than its factorization.

97982406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781 (or 7775 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 97982406 is about 9898.6062655305. The cubic root of 97982406 is about 461.0160370729.

The spelling of 97982406 in words is "ninety-seven million, nine hundred eighty-two thousand, four hundred six".