28098876 has 48 divisors (see below), whose sum is σ = 70969248. Its totient is φ = 8601600.

The previous prime is 28098871. The next prime is 28098887. The reversal of 28098876 is 67889082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28098871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43516 + ... + 44156.

It is an arithmetic number, because the mean of its divisors is an integer number (1478526).

Almost surely, 2^28098876 is an apocalyptic number.

28098876 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28098876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35484624).

28098876 is an abundant number, since it is smaller than the sum of its proper divisors (42870372).

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

28098876 is a wasteful number, since it uses less digits than its factorization.

28098876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 28098876 is about 5300.8372923530. The cubic root of 28098876 is about 304.0159127174.

The spelling of 28098876 in words is "twenty-eight million, ninety-eight thousand, eight hundred seventy-six".