28698516 has 288 divisors, whose sum is σ = 103420800. Its totient is φ = 6773760.

The previous prime is 28698491. The next prime is 28698541. The reversal of 28698516 is 61589682.

It is an interprime number because it is at equal distance from previous prime (28698491) and next prime (28698541).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 989590 + ... + 989618.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

Almost surely, 2^28698516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28698516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51710400).

28698516 is an abundant number, since it is smaller than the sum of its proper divisors (74722284).

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

28698516 is a wasteful number, since it uses less digits than its factorization.

28698516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 69 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 28698516 is about 5357.0995883967. The cubic root of 28698516 is about 306.1633115183.

The spelling of 28698516 in words is "twenty-eight million, six hundred ninety-eight thousand, five hundred sixteen".