623654976 has 112 divisors (see below), whose sum is σ = 1950963840. Its totient is φ = 172032000.

The previous prime is 623654971. The next prime is 623655029. The reversal of 623654976 is 679456326.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (623654971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30976 + ... + 46976.

It is an arithmetic number, because the mean of its divisors is an integer number (17419320).

Almost surely, 2^623654976 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 623654976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975481920).

623654976 is an abundant number, since it is smaller than the sum of its proper divisors (1327308864).

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

623654976 is a wasteful number, since it uses less digits than its factorization.

623654976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16052 (or 16042 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 48.

The square root of 623654976 is about 24973.0850316896. The cubic root of 623654976 is about 854.3742105305.

The spelling of 623654976 in words is "six hundred twenty-three million, six hundred fifty-four thousand, nine hundred seventy-six".