28058339 has 4 divisors (see below), whose sum is σ = 28246800. Its totient is φ = 27869880.

The previous prime is 28058311. The next prime is 28058357. The reversal of 28058339 is 93385082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28058339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28058039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94007 + ... + 94304.

It is an arithmetic number, because the mean of its divisors is an integer number (7061700).

Almost surely, 2^28058339 is an apocalyptic number.

28058339 is a deficient number, since it is larger than the sum of its proper divisors (188461).

28058339 is a wasteful number, since it uses less digits than its factorization.

28058339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188460.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 28058339 is about 5297.0122710826. The cubic root of 28058339 is about 303.8696456071.

The spelling of 28058339 in words is "twenty-eight million, fifty-eight thousand, three hundred thirty-nine".