627646338 has 24 divisors (see below), whose sum is σ = 1483528176. Its totient is φ = 190195800.

The previous prime is 627646321. The next prime is 627646363. The reversal of 627646338 is 833646726.

627646338 is a `hidden beast` number, since 6 + 2 + 7 + 6 + 4 + 633 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 627646293 and 627646302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1584768 + ... + 1585163.

It is an arithmetic number, because the mean of its divisors is an integer number (61813674).

Almost surely, 2^627646338 is an apocalyptic number.

627646338 is an abundant number, since it is smaller than the sum of its proper divisors (855881838).

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

627646338 is a wasteful number, since it uses less digits than its factorization.

627646338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169950 (or 3169947 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 627646338 is about 25052.8708534571. The cubic root of 627646338 is about 856.1929873560.

The spelling of 627646338 in words is "six hundred twenty-seven million, six hundred forty-six thousand, three hundred thirty-eight".