28842394 has 8 divisors (see below), whose sum is σ = 49444128. Its totient is φ = 12361020.

The previous prime is 28842367. The next prime is 28842409. The reversal of 28842394 is 49324882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030072 + ... + 1030099.

It is an arithmetic number, because the mean of its divisors is an integer number (6180516).

Almost surely, 2^28842394 is an apocalyptic number.

28842394 is a deficient number, since it is larger than the sum of its proper divisors (20601734).

28842394 is a wasteful number, since it uses less digits than its factorization.

28842394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060180.

The product of its digits is 110592, while the sum is 40.

The square root of 28842394 is about 5370.5115212613. The cubic root of 28842394 is about 306.6741016366.

The spelling of 28842394 in words is "twenty-eight million, eight hundred forty-two thousand, three hundred ninety-four".