431389196 has 24 divisors (see below), whose sum is σ = 900291840. Its totient is φ = 176842512.

The previous prime is 431389187. The next prime is 431389241. The reversal of 431389196 is 691983134.

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, 334286 + ... + 335573.

It is an arithmetic number, because the mean of its divisors is an integer number (37512160).

Almost surely, 2^431389196 is an apocalyptic number.

431389196 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

431389196 is an abundant number, since it is smaller than the sum of its proper divisors (468902644).

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

431389196 is a wasteful number, since it uses less digits than its factorization.

431389196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669893 (or 669891 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 431389196 is about 20769.9108327407. The cubic root of 431389196 is about 755.5961818825.

The spelling of 431389196 in words is "four hundred thirty-one million, three hundred eighty-nine thousand, one hundred ninety-six".