36633986 has 8 divisors (see below), whose sum is σ = 57340224. Its totient is φ = 17520580.

The previous prime is 36633983. The next prime is 36634027. The reversal of 36633986 is 68933663.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (36633983) 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, 398150 + ... + 398241.

It is an arithmetic number, because the mean of its divisors is an integer number (7167528).

Almost surely, 2^36633986 is an apocalyptic number.

36633986 is a deficient number, since it is larger than the sum of its proper divisors (20706238).

36633986 is a wasteful number, since it uses less digits than its factorization.

36633986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796416.

The product of its digits is 419904, while the sum is 44.

The square root of 36633986 is about 6052.6015893994. The cubic root of 36633986 is about 332.1197673569.

The spelling of 36633986 in words is "thirty-six million, six hundred thirty-three thousand, nine hundred eighty-six".