36644461 has 4 divisors (see below), whose sum is σ = 41879392. Its totient is φ = 31409532.

The previous prime is 36644459. The next prime is 36644479. The reversal of 36644461 is 16444663.

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 not a de Polignac number, because 36644461 - 2¹ = 36644459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36645461) 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, 2617455 + ... + 2617468.

It is an arithmetic number, because the mean of its divisors is an integer number (10469848).

Almost surely, 2^36644461 is an apocalyptic number.

It is an amenable number.

36644461 is a deficient number, since it is larger than the sum of its proper divisors (5234931).

36644461 is an equidigital number, since it uses as much as digits as its factorization.

36644461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234930.

The product of its digits is 41472, while the sum is 34.

The square root of 36644461 is about 6053.4668579253. The cubic root of 36644461 is about 332.1514194138.

The spelling of 36644461 in words is "thirty-six million, six hundred forty-four thousand, four hundred sixty-one".