28058342 has 16 divisors (see below), whose sum is σ = 46291392. Its totient is φ = 12673920.

The previous prime is 28058311. The next prime is 28058357. The reversal of 28058342 is 24385082.

It is a junction number, because it is equal to n+sod(n) for n = 28058299 and 28058308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10259 + ... + 12702.

It is an arithmetic number, because the mean of its divisors is an integer number (2893212).

Almost surely, 2^28058342 is an apocalyptic number.

28058342 is a deficient number, since it is larger than the sum of its proper divisors (18233050).

28058342 is a wasteful number, since it uses less digits than its factorization.

28058342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23023.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 28058342 is about 5297.0125542611. The cubic root of 28058342 is about 303.8696564370.

The spelling of 28058342 in words is "twenty-eight million, fifty-eight thousand, three hundred forty-two".