623952 has 60 divisors (see below), whose sum is σ = 1998880. Its totient is φ = 177984.

The previous prime is 623947. The next prime is 623957. The reversal of 623952 is 259326.

It is an interprime number because it is at equal distance from previous prime (623947) and next prime (623957).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623957) by changing a digit.

623952 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699 + ... + 1317.

2⁶²³⁹⁵² 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 623952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999440).

623952 is an abundant number, since it is smaller than the sum of its proper divisors (1374928).

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

623952 is a wasteful number, since it uses less digits than its factorization.

623952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 631 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 623952 is about 789.9063235600. The cubic root of 623952 is about 85.4509824708.

The spelling of 623952 in words is "six hundred twenty-three thousand, nine hundred fifty-two".