28092269 has 8 divisors (see below), whose sum is σ = 29795712. Its totient is φ = 26429040.

The previous prime is 28092221. The next prime is 28092277. The reversal of 28092269 is 96229082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28092269 - 2²⁴ = 11315053 is a prime.

It is a super-2 number, since 2×28092269² = 1578351155136722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28092569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8609 + ... + 11414.

It is an arithmetic number, because the mean of its divisors is an integer number (3724464).

Almost surely, 2^28092269 is an apocalyptic number.

It is an amenable number.

28092269 is a deficient number, since it is larger than the sum of its proper divisors (1703443).

28092269 is a wasteful number, since it uses less digits than its factorization.

28092269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20107.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 28092269 is about 5300.2140522813. The cubic root of 28092269 is about 303.9920826943.

The spelling of 28092269 in words is "twenty-eight million, ninety-two thousand, two hundred sixty-nine".