28748610 has 96 divisors (see below), whose sum is σ = 82892160. Its totient is φ = 6854400.

The previous prime is 28748579. The next prime is 28748611. The reversal of 28748610 is 1684782.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28748611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70086 + ... + 70494.

It is an arithmetic number, because the mean of its divisors is an integer number (863460).

Almost surely, 2^28748610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28748610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41446080).

28748610 is an abundant number, since it is smaller than the sum of its proper divisors (54143550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28748610 is a wasteful number, since it uses less digits than its factorization.

28748610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 28748610 is about 5361.7730276467. The cubic root of 28748610 is about 306.3413466229.

It can be divided in two parts, 287486 and 10, that added together give a cube (287496 = 66³).

The spelling of 28748610 in words is "twenty-eight million, seven hundred forty-eight thousand, six hundred ten".