36631965 has 16 divisors (see below), whose sum is σ = 58701888. Its totient is φ = 19506816.

The previous prime is 36631949. The next prime is 36631997. The reversal of 36631965 is 56913663.

It is not a de Polignac number, because 36631965 - 2⁴ = 36631949 is a prime.

It is a super-2 number, since 2×36631965² = 2683801719522450, which contains 22 as substring.

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, 10929 + ... + 13881.

It is an arithmetic number, because the mean of its divisors is an integer number (3668868).

Almost surely, 2^36631965 is an apocalyptic number.

It is an amenable number.

36631965 is a deficient number, since it is larger than the sum of its proper divisors (22069923).

36631965 is a wasteful number, since it uses less digits than its factorization.

36631965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788.

The product of its digits is 87480, while the sum is 39.

The square root of 36631965 is about 6052.4346340956. The cubic root of 36631965 is about 332.1136598552.

The spelling of 36631965 in words is "thirty-six million, six hundred thirty-one thousand, nine hundred sixty-five".