36036639 has 12 divisors (see below), whose sum is σ = 53161056. Its totient is φ = 23512992.

The previous prime is 36036613. The next prime is 36036643. The reversal of 36036639 is 93663063.

It is not a de Polignac number, because 36036639 - 2⁸ = 36036383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36036139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42174 + ... + 43019.

It is an arithmetic number, because the mean of its divisors is an integer number (4430088).

Almost surely, 2^36036639 is an apocalyptic number.

36036639 is a deficient number, since it is larger than the sum of its proper divisors (17124417).

36036639 is a wasteful number, since it uses less digits than its factorization.

36036639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85246 (or 85243 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 36.

The square root of 36036639 is about 6003.0524735338. The cubic root of 36036639 is about 330.3047047908.

The spelling of 36036639 in words is "thirty-six million, thirty-six thousand, six hundred thirty-nine".