37994936 has 16 divisors (see below), whose sum is σ = 81417840. Its totient is φ = 16283520.

The previous prime is 37994923. The next prime is 37994939. The reversal of 37994936 is 63949973.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37994939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339185 + ... + 339296.

It is an arithmetic number, because the mean of its divisors is an integer number (5088615).

Almost surely, 2^37994936 is an apocalyptic number.

It is an amenable number.

37994936 is an abundant number, since it is smaller than the sum of its proper divisors (43422904).

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

37994936 is a wasteful number, since it uses less digits than its factorization.

37994936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678494 (or 678490 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 50.

The square root of 37994936 is about 6164.0032446455. The cubic root of 37994936 is about 336.1826057678.

The spelling of 37994936 in words is "thirty-seven million, nine hundred ninety-four thousand, nine hundred thirty-six".