28826090 has 8 divisors (see below), whose sum is σ = 51886980. Its totient is φ = 11530432.

The previous prime is 28826089. The next prime is 28826093. The reversal of 28826090 is 9062882.

It can be written as a sum of positive squares in 2 ways, for example, as 28206721 + 619369 = 5311^2 + 787^2 .

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 28826090.

It is not an unprimeable number, because it can be changed into a prime (28826093) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1441295 + ... + 1441314.

Almost surely, 2^28826090 is an apocalyptic number.

28826090 is a deficient number, since it is larger than the sum of its proper divisors (23060890).

28826090 is a wasteful number, since it uses less digits than its factorization.

28826090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882616.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 28826090 is about 5368.9933879639. The cubic root of 28826090 is about 306.6163052671.

The spelling of 28826090 in words is "twenty-eight million, eight hundred twenty-six thousand, ninety".