28699368 has 16 divisors (see below), whose sum is σ = 71748480. Its totient is φ = 9566448.

The previous prime is 28699343. The next prime is 28699369. The reversal of 28699368 is 86399682.

It is a self number, because there is not a number n which added to its sum of digits gives 28699368.

It is not an unprimeable number, because it can be changed into a prime (28699369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597880 + ... + 597927.

It is an arithmetic number, because the mean of its divisors is an integer number (4484280).

Almost surely, 2^28699368 is an apocalyptic number.

It is an amenable number.

28699368 is an abundant number, since it is smaller than the sum of its proper divisors (43049112).

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

28699368 is a wasteful number, since it uses less digits than its factorization.

28699368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195816 (or 1195812 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 28699368 is about 5357.1791084488. The cubic root of 28699368 is about 306.1663412750.

The spelling of 28699368 in words is "twenty-eight million, six hundred ninety-nine thousand, three hundred sixty-eight".