28766516 has 24 divisors (see below), whose sum is σ = 53738496. Its totient is φ = 13426560.

The previous prime is 28766503. The next prime is 28766519. The reversal of 28766516 is 61566782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28766519) 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, 6971 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (2239104).

Almost surely, 2^28766516 is an apocalyptic number.

It is an amenable number.

28766516 is a deficient number, since it is larger than the sum of its proper divisors (24971980).

28766516 is a wasteful number, since it uses less digits than its factorization.

28766516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479 (or 3477 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 28766516 is about 5363.4425511979. The cubic root of 28766516 is about 306.4049347373.

The spelling of 28766516 in words is "twenty-eight million, seven hundred sixty-six thousand, five hundred sixteen".