28294592 has 42 divisors (see below), whose sum is σ = 57768744. Its totient is φ = 13749760.

The previous prime is 28294583. The next prime is 28294631. The reversal of 28294592 is 29549282.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107453 + ... + 107715.

Almost surely, 2^28294592 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 28294592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28884372).

28294592 is an abundant number, since it is smaller than the sum of its proper divisors (29474152).

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

28294592 is an equidigital number, since it uses as much as digits as its factorization.

28294592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 306 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 28294592 is about 5319.2661147944. The cubic root of 28294592 is about 304.7201302612.

The spelling of 28294592 in words is "twenty-eight million, two hundred ninety-four thousand, five hundred ninety-two".