28103092 has 12 divisors (see below), whose sum is σ = 49260960. Its totient is φ = 14028536.

The previous prime is 28103077. The next prime is 28103111. The reversal of 28103092 is 29030182.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2842 + ... + 8017.

It is an arithmetic number, because the mean of its divisors is an integer number (4105080).

Almost surely, 2^28103092 is an apocalyptic number.

It is an amenable number.

28103092 is a deficient number, since it is larger than the sum of its proper divisors (21157868).

28103092 is a wasteful number, since it uses less digits than its factorization.

28103092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11510 (or 11508 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 28103092 is about 5301.2349504620. The cubic root of 28103092 is about 304.0311169672.

The spelling of 28103092 in words is "twenty-eight million, one hundred three thousand, ninety-two".