37989956 has 6 divisors (see below), whose sum is σ = 66482430. Its totient is φ = 18994976.

The previous prime is 37989937. The next prime is 37989961. The reversal of 37989956 is 65998973.

It can be written as a sum of positive squares in only one way, i.e., 34692100 + 3297856 = 5890^2 + 1816^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4748741 + ... + 4748748.

It is an arithmetic number, because the mean of its divisors is an integer number (11080405).

Almost surely, 2^37989956 is an apocalyptic number.

It is an amenable number.

37989956 is a deficient number, since it is larger than the sum of its proper divisors (28492474).

37989956 is a wasteful number, since it uses less digits than its factorization.

37989956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9497493 (or 9497491 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 56.

The square root of 37989956 is about 6163.5992731520. The cubic root of 37989956 is about 336.1679172970.

The spelling of 37989956 in words is "thirty-seven million, nine hundred eighty-nine thousand, nine hundred fifty-six".