623392 has 72 divisors (see below), whose sum is σ = 1608768. Its totient is φ = 232320.

The previous prime is 623387. The next prime is 623393. The reversal of 623392 is 293326.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (623393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27093 + ... + 27115.

It is an arithmetic number, because the mean of its divisors is an integer number (22344).

2⁶²³³⁹² 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 623392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804384).

623392 is an abundant number, since it is smaller than the sum of its proper divisors (985376).

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

623392 is a wasteful number, since it uses less digits than its factorization.

623392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 43 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

The square root of 623392 is about 789.5517715768. The cubic root of 623392 is about 85.4254105927.

The spelling of 623392 in words is "six hundred twenty-three thousand, three hundred ninety-two".