431780434 has 16 divisors (see below), whose sum is σ = 686743200. Its totient is φ = 203032224.

The previous prime is 431780413. The next prime is 431780441. The reversal of 431780434 is 434087134.

It is a self number, because there is not a number n which added to its sum of digits gives 431780434.

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, 36264 + ... + 46675.

It is an arithmetic number, because the mean of its divisors is an integer number (42921450).

Almost surely, 2^431780434 is an apocalyptic number.

431780434 is a deficient number, since it is larger than the sum of its proper divisors (254962766).

431780434 is a wasteful number, since it uses less digits than its factorization.

431780434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83097.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 431780434 is about 20779.3270824635. The cubic root of 431780434 is about 755.8245360917.

The spelling of 431780434 in words is "four hundred thirty-one million, seven hundred eighty thousand, four hundred thirty-four".