97638212 has 24 divisors (see below), whose sum is σ = 197633856. Its totient is φ = 41339808.

The previous prime is 97638199. The next prime is 97638239. The reversal of 97638212 is 21283679.

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, 18683 + ... + 23330.

It is an arithmetic number, because the mean of its divisors is an integer number (8234744).

Almost surely, 2^97638212 is an apocalyptic number.

It is an amenable number.

97638212 is an abundant number, since it is smaller than the sum of its proper divisors (99995644).

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

97638212 is a wasteful number, since it uses less digits than its factorization.

97638212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42107 (or 42105 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 97638212 is about 9881.2049872473. The cubic root of 97638212 is about 460.4755824918.

The spelling of 97638212 in words is "ninety-seven million, six hundred thirty-eight thousand, two hundred twelve".