623472 has 40 divisors (see below), whose sum is σ = 1666560. Its totient is φ = 200640.

The previous prime is 623437. The next prime is 623477. The reversal of 623472 is 274326.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1279 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (41664).

2⁶²³⁴⁷² is an apocalyptic number.

623472 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833280).

623472 is an abundant number, since it is smaller than the sum of its proper divisors (1043088).

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

623472 is a wasteful number, since it uses less digits than its factorization.

623472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 455 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 623472 is about 789.6024316072. The cubic root of 623472 is about 85.4290646555.

Adding to 623472 its reverse (274326), we get a palindrome (897798).

The spelling of 623472 in words is "six hundred twenty-three thousand, four hundred seventy-two".