623885216 has 24 divisors (see below), whose sum is σ = 1292921280. Its totient is φ = 295524288.

The previous prime is 623885209. The next prime is 623885239. The reversal of 623885216 is 612588326.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512456 + ... + 513671.

It is an arithmetic number, because the mean of its divisors is an integer number (53871720).

Almost surely, 2^623885216 is an apocalyptic number.

It is an amenable number.

623885216 is an abundant number, since it is smaller than the sum of its proper divisors (669036064).

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

623885216 is a wasteful number, since it uses less digits than its factorization.

623885216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026156 (or 1026148 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 623885216 is about 24977.6943691767. The cubic root of 623885216 is about 854.4793364540.

The spelling of 623885216 in words is "six hundred twenty-three million, eight hundred eighty-five thousand, two hundred sixteen".