28865348 has 12 divisors (see below), whose sum is σ = 50769600. Its totient is φ = 14359752.

The previous prime is 28865327. The next prime is 28865377. The reversal of 28865348 is 84356882.

It is a super-2 number, since 2×28865348² = 1666416630322208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28865299 and 28865308.

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, 17336 + ... + 18927.

It is an arithmetic number, because the mean of its divisors is an integer number (4230800).

Almost surely, 2^28865348 is an apocalyptic number.

It is an amenable number.

28865348 is a deficient number, since it is larger than the sum of its proper divisors (21904252).

28865348 is a wasteful number, since it uses less digits than its factorization.

28865348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36466 (or 36464 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 28865348 is about 5372.6481366269. The cubic root of 28865348 is about 306.7554348151.

The spelling of 28865348 in words is "twenty-eight million, eight hundred sixty-five thousand, three hundred forty-eight".