36863997 has 4 divisors (see below), whose sum is σ = 49152000. Its totient is φ = 24575996.

The previous prime is 36863993. The next prime is 36863999. The reversal of 36863997 is 79936863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36863997 - 2² = 36863993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36863993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6143997 + ... + 6144002.

It is an arithmetic number, because the mean of its divisors is an integer number (12288000).

Almost surely, 2^36863997 is an apocalyptic number.

It is an amenable number.

36863997 is a deficient number, since it is larger than the sum of its proper divisors (12288003).

36863997 is a wasteful number, since it uses less digits than its factorization.

36863997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12288002.

The product of its digits is 1469664, while the sum is 51.

The square root of 36863997 is about 6071.5728604703. The cubic root of 36863997 is about 332.8134026602.

The spelling of 36863997 in words is "thirty-six million, eight hundred sixty-three thousand, nine hundred ninety-seven".