28865416 has 16 divisors (see below), whose sum is σ = 54234000. Its totient is φ = 14403024.

The previous prime is 28865407. The next prime is 28865423. The reversal of 28865416 is 61456882.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735 + ... + 7633.

It is an arithmetic number, because the mean of its divisors is an integer number (3389625).

Almost surely, 2^28865416 is an apocalyptic number.

It is an amenable number.

28865416 is a deficient number, since it is larger than the sum of its proper divisors (25368584).

28865416 is a wasteful number, since it uses less digits than its factorization.

28865416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7428 (or 7424 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 28865416 is about 5372.6544649735. The cubic root of 28865416 is about 306.7556756962.

The spelling of 28865416 in words is "twenty-eight million, eight hundred sixty-five thousand, four hundred sixteen".