28700698 has 8 divisors (see below), whose sum is σ = 46362708. Its totient is φ = 13246464.

The previous prime is 28700689. The next prime is 28700701. The reversal of 28700698 is 89600782.

It can be written as a sum of positive squares in 2 ways, for example, as 28697449 + 3249 = 5357^2 + 57^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28700698.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551911 + ... + 551962.

Almost surely, 2^28700698 is an apocalyptic number.

28700698 is a deficient number, since it is larger than the sum of its proper divisors (17662010).

28700698 is a wasteful number, since it uses less digits than its factorization.

28700698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103888.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 28700698 is about 5357.3032395040. The cubic root of 28700698 is about 306.1710707048.

The spelling of 28700698 in words is "twenty-eight million, seven hundred thousand, six hundred ninety-eight".