626988 has 12 divisors (see below), whose sum is σ = 1463000. Its totient is φ = 208992.

The previous prime is 626987. The next prime is 627017. The reversal of 626988 is 889626.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×626988² = 786227904288, which contains 22 as substring.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (626987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26113 + ... + 26136.

2⁶²⁶⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

626988 is an abundant number, since it is smaller than the sum of its proper divisors (836012).

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

626988 is a wasteful number, since it uses less digits than its factorization.

626988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52256 (or 52254 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 626988 is about 791.8257384046. The cubic root of 626988 is about 85.5893529134.

The spelling of 626988 in words is "six hundred twenty-six thousand, nine hundred eighty-eight".