28839832 has 24 divisors (see below), whose sum is σ = 62904060. Its totient is φ = 12359760.

The previous prime is 28839793. The next prime is 28839847. The reversal of 28839832 is 23893882.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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, 36394 + ... + 37177.

Almost surely, 2^28839832 is an apocalyptic number.

It is an amenable number.

28839832 is an abundant number, since it is smaller than the sum of its proper divisors (34064228).

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

28839832 is a wasteful number, since it uses less digits than its factorization.

28839832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73591 (or 73580 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 28839832 is about 5370.2729911989. The cubic root of 28839832 is about 306.6650209952.

The spelling of 28839832 in words is "twenty-eight million, eight hundred thirty-nine thousand, eight hundred thirty-two".