28092097 has 16 divisors (see below), whose sum is σ = 32114880. Its totient is φ = 24337600.

The previous prime is 28092091. The next prime is 28092133. The reversal of 28092097 is 79029082.

It is a cyclic number.

It is not a de Polignac number, because 28092097 - 2⁷ = 28091969 is a prime.

It is a super-3 number, since 3×28092097³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28092091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25947 + ... + 27007.

It is an arithmetic number, because the mean of its divisors is an integer number (2007180).

Almost surely, 2^28092097 is an apocalyptic number.

It is an amenable number.

28092097 is a deficient number, since it is larger than the sum of its proper divisors (4022783).

28092097 is a wasteful number, since it uses less digits than its factorization.

28092097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 28092097 is about 5300.1978264967. The cubic root of 28092097 is about 303.9914622775.

The spelling of 28092097 in words is "twenty-eight million, ninety-two thousand, ninety-seven".