28140798 has 24 divisors (see below), whose sum is σ = 65471112. Its totient is φ = 8040144.

The previous prime is 28140793. The next prime is 28140803. The reversal of 28140798 is 89704182.

It is an interprime number because it is at equal distance from previous prime (28140793) and next prime (28140803).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28140793) 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, 47565 + ... + 48152.

It is an arithmetic number, because the mean of its divisors is an integer number (2727963).

Almost surely, 2^28140798 is an apocalyptic number.

28140798 is an abundant number, since it is smaller than the sum of its proper divisors (37330314).

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

28140798 is a wasteful number, since it uses less digits than its factorization.

28140798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95736 (or 95729 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 28140798 is about 5304.7900995233. The cubic root of 28140798 is about 304.1670293442.

The spelling of 28140798 in words is "twenty-eight million, one hundred forty thousand, seven hundred ninety-eight".