36104639 has 4 divisors (see below), whose sum is σ = 36124056. Its totient is φ = 36085224.

The previous prime is 36104603. The next prime is 36104669. The reversal of 36104639 is 93640163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93640163 = 293 ⋅319591.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36104639 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 (36104669) 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, 6584 + ... + 10749.

It is an arithmetic number, because the mean of its divisors is an integer number (9031014).

Almost surely, 2^36104639 is an apocalyptic number.

36104639 is a deficient number, since it is larger than the sum of its proper divisors (19417).

36104639 is a wasteful number, since it uses less digits than its factorization.

36104639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19416.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 36104639 is about 6008.7135894466. The cubic root of 36104639 is about 330.5123324329.

The spelling of 36104639 in words is "thirty-six million, one hundred four thousand, six hundred thirty-nine".