28498944 has 44 divisors (see below), whose sum is σ = 75968264. Its totient is φ = 9498624.

The previous prime is 28498937. The next prime is 28498961. The reversal of 28498944 is 44989482.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 28498893 and 28498902.

It is a congruent number.

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, 1567 + ... + 7710.

Almost surely, 2^28498944 is an apocalyptic number.

28498944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28498944 is an abundant number, since it is smaller than the sum of its proper divisors (47469320).

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

28498944 is an equidigital number, since it uses as much as digits as its factorization.

28498944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9300 (or 9282 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 28498944 is about 5338.4402216378. The cubic root of 28498944 is about 305.4519645216.

The spelling of 28498944 in words is "twenty-eight million, four hundred ninety-eight thousand, nine hundred forty-four".