623028 has 24 divisors (see below), whose sum is σ = 1661632. Its totient is φ = 177984.

The previous prime is 623023. The next prime is 623041. The reversal of 623028 is 820326.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 622995 and 623013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623023) 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, 3625 + ... + 3792.

2⁶²³⁰²⁸ is an apocalyptic number.

It is an amenable number.

623028 is an abundant number, since it is smaller than the sum of its proper divisors (1038604).

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

623028 is a wasteful number, since it uses less digits than its factorization.

623028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431 (or 7429 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 623028 is about 789.3212273846. The cubic root of 623028 is about 85.4087806587.

The spelling of 623028 in words is "six hundred twenty-three thousand, twenty-eight".