28793516 has 24 divisors (see below), whose sum is σ = 53706240. Its totient is φ = 13475792.

The previous prime is 28793497. The next prime is 28793551. The reversal of 28793516 is 61539782.

28793516 = T₁₈₈ + T₁₈₉ + ... + T₅₆₃.

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, 995 + ... + 7653.

It is an arithmetic number, because the mean of its divisors is an integer number (2237760).

Almost surely, 2^28793516 is an apocalyptic number.

It is an amenable number.

28793516 is a deficient number, since it is larger than the sum of its proper divisors (24912724).

28793516 is a wasteful number, since it uses less digits than its factorization.

28793516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733 (or 6731 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 28793516 is about 5365.9590009615. The cubic root of 28793516 is about 306.5007677570.

The spelling of 28793516 in words is "twenty-eight million, seven hundred ninety-three thousand, five hundred sixteen".