36601491 has 16 divisors (see below), whose sum is σ = 49767840. Its totient is φ = 23923200.

The previous prime is 36601463. The next prime is 36601507. The reversal of 36601491 is 19410663.

It is not a de Polignac number, because 36601491 - 2⁶ = 36601427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36603491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33705 + ... + 34773.

It is an arithmetic number, because the mean of its divisors is an integer number (3110490).

Almost surely, 2^36601491 is an apocalyptic number.

36601491 is a deficient number, since it is larger than the sum of its proper divisors (13166349).

36601491 is a wasteful number, since it uses less digits than its factorization.

36601491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 36601491 is about 6049.9166109956. The cubic root of 36601491 is about 332.0215395857.

It can be divided in two parts, 3660 and 1491, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 36601491 in words is "thirty-six million, six hundred one thousand, four hundred ninety-one".