28536506 has 16 divisors (see below), whose sum is σ = 46002816. Its totient is φ = 13227456.

The previous prime is 28536481. The next prime is 28536511. The reversal of 28536506 is 60563582.

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, 3986 + ... + 8541.

It is an arithmetic number, because the mean of its divisors is an integer number (2875176).

Almost surely, 2^28536506 is an apocalyptic number.

28536506 is a deficient number, since it is larger than the sum of its proper divisors (17466310).

28536506 is a wasteful number, since it uses less digits than its factorization.

28536506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12613.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 28536506 is about 5341.9571319882. The cubic root of 28536506 is about 305.5861022366.

The spelling of 28536506 in words is "twenty-eight million, five hundred thirty-six thousand, five hundred six".