431204642 has 16 divisors (see below), whose sum is σ = 705929472. Its totient is φ = 195912720.

The previous prime is 431204629. The next prime is 431204651. The reversal of 431204642 is 246402134.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82223 + ... + 87309.

It is an arithmetic number, because the mean of its divisors is an integer number (44120592).

Almost surely, 2^431204642 is an apocalyptic number.

431204642 is a deficient number, since it is larger than the sum of its proper divisors (274724830).

431204642 is a wasteful number, since it uses less digits than its factorization.

431204642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 431204642 is about 20765.4675362728. The cubic root of 431204642 is about 755.4884151684.

Adding to 431204642 its reverse (246402134), we get a palindrome (677606776).

The spelling of 431204642 in words is "four hundred thirty-one million, two hundred four thousand, six hundred forty-two".