97643934 has 32 divisors (see below), whose sum is σ = 217313280. Its totient is φ = 32499000.

The previous prime is 97643933. The next prime is 97643941. The reversal of 97643934 is 43934679.

It is a self number, because there is not a number n which added to its sum of digits gives 97643934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97643933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61369 + ... + 62939.

It is an arithmetic number, because the mean of its divisors is an integer number (6791040).

Almost surely, 2^97643934 is an apocalyptic number.

97643934 is an abundant number, since it is smaller than the sum of its proper divisors (119669346).

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

97643934 is a wasteful number, since it uses less digits than its factorization.

97643934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733 (or 2727 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 97643934 is about 9881.4945225912. The cubic root of 97643934 is about 460.4845775692.

The spelling of 97643934 in words is "ninety-seven million, six hundred forty-three thousand, nine hundred thirty-four".