28828126 has 4 divisors (see below), whose sum is σ = 43242192. Its totient is φ = 14414062.

The previous prime is 28828097. The next prime is 28828133. The reversal of 28828126 is 62182882.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7207030 + ... + 7207033.

It is an arithmetic number, because the mean of its divisors is an integer number (10810548).

Almost surely, 2^28828126 is an apocalyptic number.

28828126 is a deficient number, since it is larger than the sum of its proper divisors (14414066).

28828126 is a wasteful number, since it uses less digits than its factorization.

28828126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14414065.

The product of its digits is 24576, while the sum is 37.

The square root of 28828126 is about 5369.1829918527. The cubic root of 28828126 is about 306.6235239140.

The spelling of 28828126 in words is "twenty-eight million, eight hundred twenty-eight thousand, one hundred twenty-six".