623498928 has 80 divisors (see below), whose sum is σ = 1752658656. Its totient is φ = 189849600.

The previous prime is 623498921. The next prime is 623498971. The reversal of 623498928 is 829894326.

It is not an unprimeable number, because it can be changed into a prime (623498921) 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, 55378 + ... + 65678.

Almost surely, 2^623498928 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 623498928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876329328).

623498928 is an abundant number, since it is smaller than the sum of its proper divisors (1129159728).

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

623498928 is a wasteful number, since it uses less digits than its factorization.

623498928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10422 (or 10416 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 623498928 is about 24969.9605125839. The cubic root of 623498928 is about 854.3029454275.

It can be divided in two parts, 623498 and 928, that added together give a palindrome (624426).

The spelling of 623498928 in words is "six hundred twenty-three million, four hundred ninety-eight thousand, nine hundred twenty-eight".