431342604 has 96 divisors (see below), whose sum is σ = 1394265600. Its totient is φ = 112034880.

The previous prime is 431342557. The next prime is 431342609. The reversal of 431342604 is 406243134.

431342604 is a `hidden beast` number, since 4 + 3 + 13 + 42 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (431342609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17619 + ... + 34250.

It is an arithmetic number, because the mean of its divisors is an integer number (14523600).

Almost surely, 2^431342604 is an apocalyptic number.

431342604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

431342604 is an abundant number, since it is smaller than the sum of its proper divisors (962922996).

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

431342604 is a wasteful number, since it uses less digits than its factorization.

431342604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51900 (or 51892 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 431342604 is about 20768.7891799209. The cubic root of 431342604 is about 755.5689782922.

Adding to 431342604 its reverse (406243134), we get a palindrome (837585738).

The spelling of 431342604 in words is "four hundred thirty-one million, three hundred forty-two thousand, six hundred four".