28516774 has 16 divisors (see below), whose sum is σ = 50253840. Its totient is φ = 11964960.

The previous prime is 28516759. The next prime is 28516781. The reversal of 28516774 is 47761582.

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, 49569 + ... + 50140.

It is an arithmetic number, because the mean of its divisors is an integer number (3140865).

Almost surely, 2^28516774 is an apocalyptic number.

28516774 is a deficient number, since it is larger than the sum of its proper divisors (21737066).

28516774 is a wasteful number, since it uses less digits than its factorization.

28516774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99735.

The product of its digits is 94080, while the sum is 40.

The square root of 28516774 is about 5340.1099239622. The cubic root of 28516774 is about 305.5156519473.

The spelling of 28516774 in words is "twenty-eight million, five hundred sixteen thousand, seven hundred seventy-four".