97638258 has 16 divisors (see below), whose sum is σ = 196089696. Its totient is φ = 32410560.

The previous prime is 97638257. The next prime is 97638263. The reversal of 97638258 is 85283679.

It is not an unprimeable number, because it can be changed into a prime (97638257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32316 + ... + 35207.

It is an arithmetic number, because the mean of its divisors is an integer number (12255606).

Almost surely, 2^97638258 is an apocalyptic number.

97638258 is an abundant number, since it is smaller than the sum of its proper divisors (98451438).

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

97638258 is a wasteful number, since it uses less digits than its factorization.

97638258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67769.

The product of its digits is 725760, while the sum is 48.

The square root of 97638258 is about 9881.2073148983. The cubic root of 97638258 is about 460.4756548060.

The spelling of 97638258 in words is "ninety-seven million, six hundred thirty-eight thousand, two hundred fifty-eight".