623620608 has 80 divisors (see below), whose sum is σ = 1789218816. Its totient is φ = 191877120.

The previous prime is 623620601. The next prime is 623620609. The reversal of 623620608 is 806026326.

It is not an unprimeable number, because it can be changed into a prime (623620601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4353 + ... + 35583.

Almost surely, 2^623620608 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 623620608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894609408).

623620608 is an abundant number, since it is smaller than the sum of its proper divisors (1165598208).

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

623620608 is a wasteful number, since it uses less digits than its factorization.

623620608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31265 (or 31249 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 623620608 is about 24972.3969214010. The cubic root of 623620608 is about 854.3585161303.

The spelling of 623620608 in words is "six hundred twenty-three million, six hundred twenty thousand, six hundred eight".