626323401 has 48 divisors (see below), whose sum is σ = 1075433280. Its totient is φ = 357212160.

The previous prime is 626323361. The next prime is 626323403. The reversal of 626323401 is 104323626.

626323401 is a `hidden beast` number, since 626 + 3 + 2 + 34 + 0 + 1 = 666.

It is not a de Polignac number, because 626323401 - 2¹⁰ = 626322377 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (626323403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82185 + ... + 89481.

It is an arithmetic number, because the mean of its divisors is an integer number (22404860).

Almost surely, 2^626323401 is an apocalyptic number.

It is an amenable number.

626323401 is a deficient number, since it is larger than the sum of its proper divisors (449109879).

626323401 is a wasteful number, since it uses less digits than its factorization.

626323401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351 (or 7328 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 626323401 is about 25026.4540236926. The cubic root of 626323401 is about 855.5910102740.

The spelling of 626323401 in words is "six hundred twenty-six million, three hundred twenty-three thousand, four hundred one".