626428 has 24 divisors (see below), whose sum is σ = 1249920. Its totient is φ = 271920.

The previous prime is 626393. The next prime is 626443. The reversal of 626428 is 824626.

It is a junction number, because it is equal to n+sod(n) for n = 626396 and 626405.

It is a congruent number.

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, 703 + ... + 1321.

It is an arithmetic number, because the mean of its divisors is an integer number (52080).

2⁶²⁶⁴²⁸ is an apocalyptic number.

It is an amenable number.

626428 is a deficient number, since it is larger than the sum of its proper divisors (623492).

626428 is a wasteful number, since it uses less digits than its factorization.

626428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 655 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 626428 is about 791.4720462531. The cubic root of 626428 is about 85.5638636885.

The spelling of 626428 in words is "six hundred twenty-six thousand, four hundred twenty-eight".