626394 has 8 divisors (see below), whose sum is σ = 1252800. Its totient is φ = 208796.

The previous prime is 626393. The next prime is 626443. The reversal of 626394 is 493626.

It is a sphenic number, since it is the product of 3 distinct primes.

626394 is an admirable number.

It is a super-3 number, since 3×626394³ = 737333595079112952, which contains 333 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 626394.

It is not an unprimeable number, because it can be changed into a prime (626393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52194 + ... + 52205.

It is an arithmetic number, because the mean of its divisors is an integer number (156600).

2⁶²⁶³⁹⁴ is an apocalyptic number.

626394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

626394 is a wasteful number, since it uses less digits than its factorization.

626394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104404.

The product of its digits is 7776, while the sum is 30.

The square root of 626394 is about 791.4505669971. The cubic root of 626394 is about 85.5623156393.

The spelling of 626394 in words is "six hundred twenty-six thousand, three hundred ninety-four".