626913 has 32 divisors (see below), whose sum is σ = 1105920. Its totient is φ = 343440.

The previous prime is 626887. The next prime is 626917. The reversal of 626913 is 319626.

It is a happy number.

It is not a de Polignac number, because 626913 - 2¹⁶ = 561377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 14.

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 626913.

It is not an unprimeable number, because it can be changed into a prime (626917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5806 + ... + 5912.

It is an arithmetic number, because the mean of its divisors is an integer number (34560).

2⁶²⁶⁹¹³ is an apocalyptic number.

626913 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

626913 is a deficient number, since it is larger than the sum of its proper divisors (479007).

626913 is a wasteful number, since it uses less digits than its factorization.

626913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 148 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 626913 is about 791.7783780832. The cubic root of 626913 is about 85.5859400584.

The spelling of 626913 in words is "six hundred twenty-six thousand, nine hundred thirteen".