623992 has 8 divisors (see below), whose sum is σ = 1170000. Its totient is φ = 311992.

The previous prime is 623989. The next prime is 624007. The reversal of 623992 is 299326.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38992 + ... + 39007.

It is an arithmetic number, because the mean of its divisors is an integer number (146250).

2⁶²³⁹⁹² is an apocalyptic number.

It is an amenable number.

623992 is a deficient number, since it is larger than the sum of its proper divisors (546008).

623992 is a wasteful number, since it uses less digits than its factorization.

623992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78005 (or 78001 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 623992 is about 789.9316426122. The cubic root of 623992 is about 85.4528084479.

The spelling of 623992 in words is "six hundred twenty-three thousand, nine hundred ninety-two".