626406606 has 48 divisors (see below), whose sum is σ = 1552543200. Its totient is φ = 178807104.

The previous prime is 626406589. The next prime is 626406623. The reversal of 626406606 is 606604626.

626406606 is a `hidden beast` number, since 6 + 2 + 6 + 40 + 6 + 606 = 666.

626406606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (626406589) and next prime (626406623).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213880 + ... + 216788.

It is an arithmetic number, because the mean of its divisors is an integer number (32344650).

Almost surely, 2^626406606 is an apocalyptic number.

626406606 is an abundant number, since it is smaller than the sum of its proper divisors (926136594).

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

626406606 is a wasteful number, since it uses less digits than its factorization.

626406606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633 (or 4630 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 626406606 is about 25028.1163094628. The cubic root of 626406606 is about 855.6288960785.

The spelling of 626406606 in words is "six hundred twenty-six million, four hundred six thousand, six hundred six".