36623961 has 32 divisors (see below), whose sum is σ = 59529600. Its totient is φ = 22069440.

The previous prime is 36623957. The next prime is 36623971. The reversal of 36623961 is 16932663.

36623961 is a `hidden beast` number, since 366 + 239 + 61 = 666.

36623961 is a nontrivial binomial coefficient, being equal to C(8559, 2).

It is not a de Polignac number, because 36623961 - 2² = 36623957 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (36623941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93955 + ... + 94343.

It is an arithmetic number, because the mean of its divisors is an integer number (1860300).

Almost surely, 2^36623961 is an apocalyptic number.

36623961 is the 8558-th triangular number.

It is an amenable number.

36623961 is a deficient number, since it is larger than the sum of its proper divisors (22905639).

36623961 is a wasteful number, since it uses less digits than its factorization.

36623961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 720 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 36623961 is about 6051.7733764575. The cubic root of 36623961 is about 332.0894694033.

The spelling of 36623961 in words is "thirty-six million, six hundred twenty-three thousand, nine hundred sixty-one".