28140092 has 24 divisors (see below), whose sum is σ = 51159360. Its totient is φ = 13527360.

The previous prime is 28140089. The next prime is 28140097. The reversal of 28140092 is 29004182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28140097) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42242 + ... + 42902.

It is an arithmetic number, because the mean of its divisors is an integer number (2131640).

Almost surely, 2^28140092 is an apocalyptic number.

It is an amenable number.

28140092 is a deficient number, since it is larger than the sum of its proper divisors (23019268).

28140092 is a wasteful number, since it uses less digits than its factorization.

28140092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 28140092 is about 5304.7235554739. The cubic root of 28140092 is about 304.1644856623.

The spelling of 28140092 in words is "twenty-eight million, one hundred forty thousand, ninety-two".