36604491 has 32 divisors (see below), whose sum is σ = 61218816. Its totient is φ = 18900000.

The previous prime is 36604457. The next prime is 36604499. The reversal of 36604491 is 19440663.

It is not a de Polignac number, because 36604491 - 2⁶ = 36604427 is a prime.

It is a super-2 number, since 2×36604491² = 2679777522738162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (36604499) 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, 48366 + ... + 49116.

It is an arithmetic number, because the mean of its divisors is an integer number (1913088).

Almost surely, 2^36604491 is an apocalyptic number.

36604491 is a deficient number, since it is larger than the sum of its proper divisors (24614325).

36604491 is a wasteful number, since it uses less digits than its factorization.

36604491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 36604491 is about 6050.1645432170. The cubic root of 36604491 is about 332.0306105951.

The spelling of 36604491 in words is "thirty-six million, six hundred four thousand, four hundred ninety-one".