36000638 has 4 divisors (see below), whose sum is σ = 54000960. Its totient is φ = 18000318.

The previous prime is 36000619. The next prime is 36000647. The reversal of 36000638 is 83600063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83600063 = 107 ⋅781309.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9000158 + ... + 9000161.

It is an arithmetic number, because the mean of its divisors is an integer number (13500240).

Almost surely, 2^36000638 is an apocalyptic number.

36000638 is a deficient number, since it is larger than the sum of its proper divisors (18000322).

36000638 is a wasteful number, since it uses less digits than its factorization.

36000638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18000321.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 36000638 is about 6000.0531664311. The cubic root of 36000638 is about 330.1946754609.

The spelling of 36000638 in words is "thirty-six million, six hundred thirty-eight", and thus it is an aban number.