431401004 has 48 divisors (see below), whose sum is σ = 808980480. Its totient is φ = 200712960.

The previous prime is 431400953. The next prime is 431401021. The reversal of 431401004 is 400104134.

It is a super-2 number, since 2×431401004² = 372213652504416032, which contains 22 as substring.

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, 1640177 + ... + 1640439.

It is an arithmetic number, because the mean of its divisors is an integer number (16853760).

Almost surely, 2^431401004 is an apocalyptic number.

It is an amenable number.

431401004 is a deficient number, since it is larger than the sum of its proper divisors (377579476).

431401004 is a wasteful number, since it uses less digits than its factorization.

431401004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 431401004 is about 20770.1950881546. The cubic root of 431401004 is about 755.6030758879.

Adding to 431401004 its reverse (400104134), we get a palindrome (831505138).

It can be divided in two parts, 43140 and 1004, that added together give a palindrome (44144).

The spelling of 431401004 in words is "four hundred thirty-one million, four hundred one thousand, four".