28924750 has 64 divisors (see below), whose sum is σ = 57620160. Its totient is φ = 10857600.

The previous prime is 28924747. The next prime is 28924751. The reversal of 28924750 is 5742982.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28924751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490221 + ... + 490279.

It is an arithmetic number, because the mean of its divisors is an integer number (900315).

Almost surely, 2^28924750 is an apocalyptic number.

28924750 is a deficient number, since it is larger than the sum of its proper divisors (28695410).

28924750 is a wasteful number, since it uses less digits than its factorization.

28924750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 28924750 is about 5378.1734817687. The cubic root of 28924750 is about 306.9657146404.

The spelling of 28924750 in words is "twenty-eight million, nine hundred twenty-four thousand, seven hundred fifty".