623982 has 8 divisors (see below), whose sum is σ = 1247976. Its totient is φ = 207992.

The previous prime is 623977. The next prime is 623983. The reversal of 623982 is 289326.

623982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

623982 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 623982.

It is not an unprimeable number, because it can be changed into a prime (623983) by changing a digit.

623982 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51993 + ... + 52004.

It is an arithmetic number, because the mean of its divisors is an integer number (155997).

2⁶²³⁹⁸² is an apocalyptic number.

623982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

623982 is a wasteful number, since it uses less digits than its factorization.

623982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104002.

The product of its digits is 5184, while the sum is 30.

The square root of 623982 is about 789.9253129252. The cubic root of 623982 is about 85.4523519609.

The spelling of 623982 in words is "six hundred twenty-three thousand, nine hundred eighty-two".