626323994 has 16 divisors (see below), whose sum is σ = 980864640. Its totient is φ = 299383920.

The previous prime is 626323987. The next prime is 626324029. The reversal of 626323994 is 499323626.

It is a super-2 number, since 2×626323994² = 784563490920224072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167012 + ... + 170720.

It is an arithmetic number, because the mean of its divisors is an integer number (61304040).

Almost surely, 2^626323994 is an apocalyptic number.

626323994 is a deficient number, since it is larger than the sum of its proper divisors (354540646).

626323994 is a wasteful number, since it uses less digits than its factorization.

626323994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405.

The product of its digits is 419904, while the sum is 44.

The square root of 626323994 is about 25026.4658711533. The cubic root of 626323994 is about 855.5912802971.

The spelling of 626323994 in words is "six hundred twenty-six million, three hundred twenty-three thousand, nine hundred ninety-four".