97633928 has 16 divisors (see below), whose sum is σ = 209215680. Its totient is φ = 41843088.

The previous prime is 97633909. The next prime is 97633933. The reversal of 97633928 is 82933679.

97633928 is nontrivially palindromic in base 15.

97633928 is a nontrivial repdigit in base 15.

It is a plaindrome in base 15.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

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, 871676 + ... + 871787.

It is an arithmetic number, because the mean of its divisors is an integer number (13075980).

Almost surely, 2^97633928 is an apocalyptic number.

It is an amenable number.

97633928 is an abundant number, since it is smaller than the sum of its proper divisors (111581752).

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

97633928 is a wasteful number, since it uses less digits than its factorization.

97633928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743476 (or 1743472 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 97633928 is about 9880.9882096883. The cubic root of 97633928 is about 460.4688477439.

The spelling of 97633928 in words is "ninety-seven million, six hundred thirty-three thousand, nine hundred twenty-eight".