623996 has 12 divisors (see below), whose sum is σ = 1098048. Its totient is φ = 310272.

The previous prime is 623989. The next prime is 624007. The reversal of 623996 is 699326.

623996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 725 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (91504).

2⁶²³⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

623996 is a deficient number, since it is larger than the sum of its proper divisors (474052).

623996 is a wasteful number, since it uses less digits than its factorization.

623996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 866 counting only the distinct ones).

The product of its digits is 17496, while the sum is 35.

The square root of 623996 is about 789.9341744728. The cubic root of 623996 is about 85.4529910413.

The spelling of 623996 in words is "six hundred twenty-three thousand, nine hundred ninety-six".