28313024 has 56 divisors (see below), whose sum is σ = 60734448. Its totient is φ = 13045760.

The previous prime is 28313017. The next prime is 28313063. The reversal of 28313024 is 42031382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57419 + ... + 57909.

Almost surely, 2^28313024 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 28313024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30367224).

28313024 is an abundant number, since it is smaller than the sum of its proper divisors (32421424).

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

28313024 is a wasteful number, since it uses less digits than its factorization.

28313024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 28313024 is about 5320.9984025557. The cubic root of 28313024 is about 304.7862840368.

The spelling of 28313024 in words is "twenty-eight million, three hundred thirteen thousand, twenty-four".