37994986 has 8 divisors (see below), whose sum is σ = 57173220. Its totient is φ = 18937248.

The previous prime is 37994969. The next prime is 37995019. The reversal of 37994986 is 68949973.

It can be written as a sum of positive squares in 2 ways, for example, as 28291761 + 9703225 = 5319^2 + 3115^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×37994986² = 2887237922280392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29331 + ... + 30598.

Almost surely, 2^37994986 is an apocalyptic number.

37994986 is a deficient number, since it is larger than the sum of its proper divisors (19178234).

37994986 is a wasteful number, since it uses less digits than its factorization.

37994986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60248.

The product of its digits is 2939328, while the sum is 55.

The square root of 37994986 is about 6164.0073004499. The cubic root of 37994986 is about 336.1827532359.

The spelling of 37994986 in words is "thirty-seven million, nine hundred ninety-four thousand, nine hundred eighty-six".