623922 has 32 divisors (see below), whose sum is σ = 1417920. Its totient is φ = 181440.

The previous prime is 623893. The next prime is 623923. The reversal of 623922 is 229326.

It is a d-powerful number, because it can be written as 6⁵ + 2⁵ + 9 + 3¹⁰ + 2¹⁵ + 2¹⁹ .

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 623892 and 623901.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 623922.

It is not an unprimeable number, because it can be changed into a prime (623923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272 + ... + 1692.

It is an arithmetic number, because the mean of its divisors is an integer number (44310).

2⁶²³⁹²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708960).

623922 is an abundant number, since it is smaller than the sum of its proper divisors (793998).

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

623922 is a wasteful number, since it uses less digits than its factorization.

623922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458.

The product of its digits is 1296, while the sum is 24.

The square root of 623922 is about 789.8873337382. The cubic root of 623922 is about 85.4496129367.

Multiplying 623922 by its sum of digits (24), we get a triangular number (14974128 = T₅₄₇₂).

The spelling of 623922 in words is "six hundred twenty-three thousand, nine hundred twenty-two".