28828298 has 4 divisors (see below), whose sum is σ = 43242450. Its totient is φ = 14414148.

The previous prime is 28828279. The next prime is 28828309. The reversal of 28828298 is 89282882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18861649 + 9966649 = 4343^2 + 3157^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7207073 + ... + 7207076.

Almost surely, 2^28828298 is an apocalyptic number.

28828298 is a deficient number, since it is larger than the sum of its proper divisors (14414152).

28828298 is a wasteful number, since it uses less digits than its factorization.

28828298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14414151.

The product of its digits is 294912, while the sum is 47.

The square root of 28828298 is about 5369.1990091633. The cubic root of 28828298 is about 306.6241337252.

The spelling of 28828298 in words is "twenty-eight million, eight hundred twenty-eight thousand, two hundred ninety-eight".