97684940 has 12 divisors (see below), whose sum is σ = 205138416. Its totient is φ = 39073968.

The previous prime is 97684903. The next prime is 97684981. The reversal of 97684940 is 4948679.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2442104 + ... + 2442143.

It is an arithmetic number, because the mean of its divisors is an integer number (17094868).

Almost surely, 2^97684940 is an apocalyptic number.

It is an amenable number.

97684940 is an abundant number, since it is smaller than the sum of its proper divisors (107453476).

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

97684940 is a wasteful number, since it uses less digits than its factorization.

97684940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884256 (or 4884254 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 97684940 is about 9883.5691933633. The cubic root of 97684940 is about 460.5490293897.

The spelling of 97684940 in words is "ninety-seven million, six hundred eighty-four thousand, nine hundred forty".