626432 has 18 divisors (see below), whose sum is σ = 1250928. Its totient is φ = 313088.

The previous prime is 626393. The next prime is 626443. The reversal of 626432 is 234626.

It is a junction number, because it is equal to n+sod(n) for n = 626398 and 626407.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 626432.

It is an unprimeable number.

626432 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 968 + ... + 1479.

It is an arithmetic number, because the mean of its divisors is an integer number (69496).

2⁶²⁶⁴³² is an apocalyptic number.

It is an amenable number.

626432 is a deficient number, since it is larger than the sum of its proper divisors (624496).

626432 is an equidigital number, since it uses as much as digits as its factorization.

626432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463 (or 2449 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 626432 is about 791.4745731860. The cubic root of 626432 is about 85.5640458082.

The spelling of 626432 in words is "six hundred twenty-six thousand, four hundred thirty-two".