28820594 has 16 divisors (see below), whose sum is σ = 47291040. Its totient is φ = 13064160.

The previous prime is 28820569. The next prime is 28820629. The reversal of 28820594 is 49502882.

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, 7397 + ... + 10599.

It is an arithmetic number, because the mean of its divisors is an integer number (2955690).

Almost surely, 2^28820594 is an apocalyptic number.

28820594 is a deficient number, since it is larger than the sum of its proper divisors (18470446).

28820594 is a wasteful number, since it uses less digits than its factorization.

28820594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 28820594 is about 5368.4815357790. The cubic root of 28820594 is about 306.5968174776.

The spelling of 28820594 in words is "twenty-eight million, eight hundred twenty thousand, five hundred ninety-four".