431166406 has 16 divisors (see below), whose sum is σ = 706611600. Its totient is φ = 195688480.

The previous prime is 431166401. The next prime is 431166443. The reversal of 431166406 is 604661134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431166401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420 + ... + 29368.

It is an arithmetic number, because the mean of its divisors is an integer number (44163225).

Almost surely, 2^431166406 is an apocalyptic number.

431166406 is a deficient number, since it is larger than the sum of its proper divisors (275445194).

431166406 is a wasteful number, since it uses less digits than its factorization.

431166406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29639.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 431166406 is about 20764.5468527488. The cubic root of 431166406 is about 755.4660841558.

The spelling of 431166406 in words is "four hundred thirty-one million, one hundred sixty-six thousand, four hundred six".