93690920 has 32 divisors (see below), whose sum is σ = 211203720. Its totient is φ = 37405440.

The previous prime is 93690917. The next prime is 93690929. The reversal of 93690920 is 2909639.

It can be written as a sum of positive squares in 4 ways, for example, as 64032004 + 29658916 = 8002^2 + 5446^2 .

It is not an unprimeable number, because it can be changed into a prime (93690929) 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, 22610 + ... + 26430.

Almost surely, 2^93690920 is an apocalyptic number.

It is an amenable number.

93690920 is an abundant number, since it is smaller than the sum of its proper divisors (117512800).

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

93690920 is a wasteful number, since it uses less digits than its factorization.

93690920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445 (or 4441 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 93690920 is about 9679.4070066301. The cubic root of 93690920 is about 454.1847010579.

The spelling of 93690920 in words is "ninety-three million, six hundred ninety thousand, nine hundred twenty".