28126902 has 32 divisors (see below), whose sum is σ = 58988160. Its totient is φ = 8930880.

The previous prime is 28126883. The next prime is 28126913. The reversal of 28126902 is 20962182.

It is a super-2 number, since 2×28126902² = 1582245232235208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28126902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9249 + ... + 11907.

It is an arithmetic number, because the mean of its divisors is an integer number (1843380).

Almost surely, 2^28126902 is an apocalyptic number.

28126902 is an abundant number, since it is smaller than the sum of its proper divisors (30861258).

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

28126902 is a wasteful number, since it uses less digits than its factorization.

28126902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 28126902 is about 5303.4801781472. The cubic root of 28126902 is about 304.1169549416.

The spelling of 28126902 in words is "twenty-eight million, one hundred twenty-six thousand, nine hundred two".