37943964 has 72 divisors (see below), whose sum is σ = 100696960. Its totient is φ = 12492144.

The previous prime is 37943963. The next prime is 37943987. The reversal of 37943964 is 46934973.

37943964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37943963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99927 + ... + 100305.

Almost surely, 2^37943964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37943964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50348480).

37943964 is an abundant number, since it is smaller than the sum of its proper divisors (62752996).

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

37943964 is a wasteful number, since it uses less digits than its factorization.

37943964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 487 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 37943964 is about 6159.8672063609. The cubic root of 37943964 is about 336.0322035460.

The spelling of 37943964 in words is "thirty-seven million, nine hundred forty-three thousand, nine hundred sixty-four".