28519098 has 24 divisors (see below), whose sum is σ = 60594432. Its totient is φ = 8946624.

The previous prime is 28519097. The next prime is 28519109. The reversal of 28519098 is 89091582.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28519097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6490 + ... + 9957.

It is an arithmetic number, because the mean of its divisors is an integer number (2524768).

Almost surely, 2^28519098 is an apocalyptic number.

28519098 is an abundant number, since it is smaller than the sum of its proper divisors (32075334).

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

28519098 is a wasteful number, since it uses less digits than its factorization.

28519098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16486 (or 16469 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 28519098 is about 5340.3275180461. The cubic root of 28519098 is about 305.5239511456.

The spelling of 28519098 in words is "twenty-eight million, five hundred nineteen thousand, ninety-eight".