36264639 has 4 divisors (see below), whose sum is σ = 48352856. Its totient is φ = 24176424.

The previous prime is 36264619. The next prime is 36264643. The reversal of 36264639 is 93646263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93646263 = 3 ⋅31215421.

It is not a de Polignac number, because 36264639 - 2²³ = 27876031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36264597 and 36264606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36264619) 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, 6044104 + ... + 6044109.

It is an arithmetic number, because the mean of its divisors is an integer number (12088214).

Almost surely, 2^36264639 is an apocalyptic number.

36264639 is a deficient number, since it is larger than the sum of its proper divisors (12088217).

36264639 is a wasteful number, since it uses less digits than its factorization.

36264639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088216.

The product of its digits is 139968, while the sum is 39.

The square root of 36264639 is about 6022.0128694648. The cubic root of 36264639 is about 330.9998417928. Note that the first 3 decimals are identical.

The spelling of 36264639 in words is "thirty-six million, two hundred sixty-four thousand, six hundred thirty-nine".