28539094 has 16 divisors (see below), whose sum is σ = 43747200. Its totient is φ = 13959360.

The previous prime is 28539061. The next prime is 28539097. The reversal of 28539094 is 49093582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28539097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26682 + ... + 27730.

It is an arithmetic number, because the mean of its divisors is an integer number (2734200).

Almost surely, 2^28539094 is an apocalyptic number.

28539094 is a deficient number, since it is larger than the sum of its proper divisors (15208106).

28539094 is a wasteful number, since it uses less digits than its factorization.

28539094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 28539094 is about 5342.1993598143. The cubic root of 28539094 is about 305.5953399119.

The spelling of 28539094 in words is "twenty-eight million, five hundred thirty-nine thousand, ninety-four".