431370396 has 18 divisors (see below), whose sum is σ = 1090408592. Its totient is φ = 143790120.

The previous prime is 431370377. The next prime is 431370403. The reversal of 431370396 is 693073134.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 11982511 = 431370396 / (4 + 3 + 1 + 3 + 7 + 0 + 3 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 431370396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5991220 + ... + 5991291.

Almost surely, 2^431370396 is an apocalyptic number.

It is an amenable number.

431370396 is an abundant number, since it is smaller than the sum of its proper divisors (659038196).

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

431370396 is a wasteful number, since it uses less digits than its factorization.

431370396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11982521 (or 11982516 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 431370396 is about 20769.4582500363. The cubic root of 431370396 is about 755.5852053948.

The spelling of 431370396 in words is "four hundred thirty-one million, three hundred seventy thousand, three hundred ninety-six".