36388494 has 32 divisors (see below), whose sum is σ = 82010880. Its totient is φ = 11957400.

The previous prime is 36388489. The next prime is 36388523. The reversal of 36388494 is 49488363.

36388494 is a `hidden beast` number, since 3 + 638 + 8 + 4 + 9 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912 + ... + 8579.

It is an arithmetic number, because the mean of its divisors is an integer number (2562840).

Almost surely, 2^36388494 is an apocalyptic number.

36388494 is an abundant number, since it is smaller than the sum of its proper divisors (45622386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36388494 is a wasteful number, since it uses less digits than its factorization.

36388494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573 (or 9567 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 36388494 is about 6032.2876257685. The cubic root of 36388494 is about 331.3762360209.

The spelling of 36388494 in words is "thirty-six million, three hundred eighty-eight thousand, four hundred ninety-four".