28930750 has 32 divisors (see below), whose sum is σ = 55920384. Its totient is φ = 11196000.

The previous prime is 28930723. The next prime is 28930763. The reversal of 28930750 is 5703982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5884 + ... + 9616.

It is an arithmetic number, because the mean of its divisors is an integer number (1747512).

Almost surely, 2^28930750 is an apocalyptic number.

28930750 is a deficient number, since it is larger than the sum of its proper divisors (26989634).

28930750 is a wasteful number, since it uses less digits than its factorization.

28930750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 28930750 is about 5378.7312630396. The cubic root of 28930750 is about 306.9869382977.

The spelling of 28930750 in words is "twenty-eight million, nine hundred thirty thousand, seven hundred fifty".