623976 has 16 divisors (see below), whose sum is σ = 1560000. Its totient is φ = 207984.

The previous prime is 623963. The next prime is 623977. The reversal of 623976 is 679326.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 623976.

It is not an unprimeable number, because it can be changed into a prime (623977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12976 + ... + 13023.

It is an arithmetic number, because the mean of its divisors is an integer number (97500).

2⁶²³⁹⁷⁶ is an apocalyptic number.

It is an amenable number.

623976 is an abundant number, since it is smaller than the sum of its proper divisors (936024).

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

623976 is a wasteful number, since it uses less digits than its factorization.

623976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26008 (or 26004 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 623976 is about 789.9215150887. The cubic root of 623976 is about 85.4520780664.

The spelling of 623976 in words is "six hundred twenty-three thousand, nine hundred seventy-six".