93974040 has 64 divisors (see below), whose sum is σ = 313250400. Its totient is φ = 25059456.

The previous prime is 93974039. The next prime is 93974063. The reversal of 93974040 is 4047939.

It is a super-2 number, since 2×93974040² = 17662240387843200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 93973986 and 93974004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42427 + ... + 44586.

Almost surely, 2^93974040 is an apocalyptic number.

93974040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

93974040 is an abundant number, since it is smaller than the sum of its proper divisors (219276360).

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

93974040 is a wasteful number, since it uses less digits than its factorization.

93974040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87033 (or 87023 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 93974040 is about 9694.0208376091. The cubic root of 93974040 is about 454.6417338355.

The spelling of 93974040 in words is "ninety-three million, nine hundred seventy-four thousand, forty".