627967404 has 144 divisors (see below), whose sum is σ = 1781561600. Its totient is φ = 192735936.

The previous prime is 627967391. The next prime is 627967411. The reversal of 627967404 is 404769726.

It is a self number, because there is not a number n which added to its sum of digits gives 627967404.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 682857 + ... + 683775.

Almost surely, 2^627967404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 627967404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890780800).

627967404 is an abundant number, since it is smaller than the sum of its proper divisors (1153594196).

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

627967404 is a wasteful number, since it uses less digits than its factorization.

627967404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 627967404 is about 25059.2778028418. The cubic root of 627967404 is about 856.3389546953.

The spelling of 627967404 in words is "six hundred twenty-seven million, nine hundred sixty-seven thousand, four hundred four".