626993064 has 48 divisors (see below), whose sum is σ = 1771941600. Its totient is φ = 199910304.

The previous prime is 626993063. The next prime is 626993077. The reversal of 626993064 is 460399626.

It is not an unprimeable number, because it can be changed into a prime (626993063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187654 + ... + 190965.

It is an arithmetic number, because the mean of its divisors is an integer number (36915450).

Almost surely, 2^626993064 is an apocalyptic number.

It is an amenable number.

626993064 is an abundant number, since it is smaller than the sum of its proper divisors (1144948536).

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

626993064 is a wasteful number, since it uses less digits than its factorization.

626993064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378654 (or 378647 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 626993064 is about 25039.8295521355. The cubic root of 626993064 is about 855.8958333955.

The spelling of 626993064 in words is "six hundred twenty-six million, nine hundred ninety-three thousand, sixty-four".