93938220 has 36 divisors (see below), whose sum is σ = 284946480. Its totient is φ = 25050144.

The previous prime is 93938203. The next prime is 93938249. The reversal of 93938220 is 2283939.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260760 + ... + 261119.

It is an arithmetic number, because the mean of its divisors is an integer number (7915180).

Almost surely, 2^93938220 is an apocalyptic number.

93938220 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

93938220 is an abundant number, since it is smaller than the sum of its proper divisors (191008260).

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

93938220 is a wasteful number, since it uses less digits than its factorization.

93938220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521894 (or 521889 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 93938220 is about 9692.1731309341. The cubic root of 93938220 is about 454.5839613681.

The spelling of 93938220 in words is "ninety-three million, nine hundred thirty-eight thousand, two hundred twenty".