28242092 has 6 divisors (see below), whose sum is σ = 49423668. Its totient is φ = 14121044.

The previous prime is 28242079. The next prime is 28242107. The reversal of 28242092 is 29024282.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3530258 + ... + 3530265.

It is an arithmetic number, because the mean of its divisors is an integer number (8237278).

Almost surely, 2^28242092 is an apocalyptic number.

It is an amenable number.

28242092 is a deficient number, since it is larger than the sum of its proper divisors (21181576).

28242092 is a wasteful number, since it uses less digits than its factorization.

28242092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7060527 (or 7060525 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 28242092 is about 5314.3289322359. The cubic root of 28242092 is about 304.5315463842.

The spelling of 28242092 in words is "twenty-eight million, two hundred forty-two thousand, ninety-two".