28880698 has 48 divisors (see below), whose sum is σ = 55880064. Its totient is φ = 11067840.

The previous prime is 28880693. The next prime is 28880699. The reversal of 28880698 is 89608882.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (28880693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78511 + ... + 78877.

It is an arithmetic number, because the mean of its divisors is an integer number (1164168).

Almost surely, 2^28880698 is an apocalyptic number.

28880698 is a deficient number, since it is larger than the sum of its proper divisors (26999366).

28880698 is a wasteful number, since it uses less digits than its factorization.

28880698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 28880698 is about 5374.0764788008. The cubic root of 28880698 is about 306.8098005954.

The spelling of 28880698 in words is "twenty-eight million, eight hundred eighty thousand, six hundred ninety-eight".