626238 has 16 divisors (see below), whose sum is σ = 1391760. Its totient is φ = 208728.

The previous prime is 626207. The next prime is 626239. The reversal of 626238 is 832626.

626238 is a `hidden beast` number, since 626 + 2 + 38 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626239) 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 7 ways as a sum of consecutive naturals, for example, 5745 + ... + 5852.

It is an arithmetic number, because the mean of its divisors is an integer number (86985).

2⁶²⁶²³⁸ is an apocalyptic number.

626238 is an abundant number, since it is smaller than the sum of its proper divisors (765522).

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

626238 is a wasteful number, since it uses less digits than its factorization.

626238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11608 (or 11602 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 626238 is about 791.3520076426. The cubic root of 626238 is about 85.5552121073. Note that the first 3 decimals are identical.

It can be divided in two parts, 6 and 26238, that added together give a square (26244 = 162²).

The spelling of 626238 in words is "six hundred twenty-six thousand, two hundred thirty-eight".