36431394 has 16 divisors (see below), whose sum is σ = 73353600. Its totient is φ = 12062000.

The previous prime is 36431393. The next prime is 36431399. The reversal of 36431394 is 49313463.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36431393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19482 + ... + 21269.

It is an arithmetic number, because the mean of its divisors is an integer number (4584600).

Almost surely, 2^36431394 is an apocalyptic number.

36431394 is an abundant number, since it is smaller than the sum of its proper divisors (36922206).

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

36431394 is a wasteful number, since it uses less digits than its factorization.

36431394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40905.

The product of its digits is 23328, while the sum is 33.

The square root of 36431394 is about 6035.8424432717. The cubic root of 36431394 is about 331.5064095637.

The spelling of 36431394 in words is "thirty-six million, four hundred thirty-one thousand, three hundred ninety-four".