431626632 has 16 divisors (see below), whose sum is σ = 1079066640. Its totient is φ = 143875536.

The previous prime is 431626621. The next prime is 431626673. The reversal of 431626632 is 236626134.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 431626593 and 431626602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8992198 + ... + 8992245.

It is an arithmetic number, because the mean of its divisors is an integer number (67441665).

Almost surely, 2^431626632 is an apocalyptic number.

It is an amenable number.

431626632 is an abundant number, since it is smaller than the sum of its proper divisors (647440008).

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

431626632 is a wasteful number, since it uses less digits than its factorization.

431626632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17984452 (or 17984448 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 431626632 is about 20775.6259111489. The cubic root of 431626632 is about 755.7347828117.

It can be divided in two parts, 43162 and 6632, that added together give a palindrome (49794).

The spelling of 431626632 in words is "four hundred thirty-one million, six hundred twenty-six thousand, six hundred thirty-two".