28794474 has 64 divisors (see below), whose sum is σ = 67092480. Its totient is φ = 9143280.

The previous prime is 28794463. The next prime is 28794487. The reversal of 28794474 is 47449782.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172339 + ... + 172505.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 2^28794474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28794474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33546240).

28794474 is an abundant number, since it is smaller than the sum of its proper divisors (38298006).

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

28794474 is a wasteful number, since it uses less digits than its factorization.

28794474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 306 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 28794474 is about 5366.0482666484. The cubic root of 28794474 is about 306.5041669538.

The spelling of 28794474 in words is "twenty-eight million, seven hundred ninety-four thousand, four hundred seventy-four".