28913024 has 96 divisors (see below), whose sum is σ = 69943440. Its totient is φ = 11658240.

The previous prime is 28913023. The next prime is 28913057. The reversal of 28913024 is 42031982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28913023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473954 + ... + 474014.

Almost surely, 2^28913024 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 28913024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34971720).

28913024 is an abundant number, since it is smaller than the sum of its proper divisors (41030416).

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

28913024 is an equidigital number, since it uses as much as digits as its factorization.

28913024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 28913024 is about 5377.0832242025. The cubic root of 28913024 is about 306.9242280647.

The spelling of 28913024 in words is "twenty-eight million, nine hundred thirteen thousand, twenty-four".