28798110 has 96 divisors (see below), whose sum is σ = 86037120. Its totient is φ = 6609600.

The previous prime is 28798103. The next prime is 28798111. The reversal of 28798110 is 1189782.

It is a super-2 number, since 2×28798110² = 1658662279144200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28798111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18045 + ... + 19575.

It is an arithmetic number, because the mean of its divisors is an integer number (896220).

Almost surely, 2^28798110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28798110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43018560).

28798110 is an abundant number, since it is smaller than the sum of its proper divisors (57239010).

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

28798110 is a wasteful number, since it uses less digits than its factorization.

28798110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1571 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 28798110 is about 5366.3870527572. The cubic root of 28798110 is about 306.5170676032.

The spelling of 28798110 in words is "twenty-eight million, seven hundred ninety-eight thousand, one hundred ten".