97621240 has 32 divisors (see below), whose sum is σ = 231210000. Its totient is φ = 36993024.

The previous prime is 97621231. The next prime is 97621261. The reversal of 97621240 is 4212679.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63465 + ... + 64984.

Almost surely, 2^97621240 is an apocalyptic number.

It is an amenable number.

97621240 is an abundant number, since it is smaller than the sum of its proper divisors (133588760).

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

97621240 is a wasteful number, since it uses less digits than its factorization.

97621240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128479 (or 128475 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 97621240 is about 9880.3461477825. The cubic root of 97621240 is about 460.4489001636.

The spelling of 97621240 in words is "ninety-seven million, six hundred twenty-one thousand, two hundred forty".