28000092 has 24 divisors (see below), whose sum is σ = 65430400. Its totient is φ = 9319536.

The previous prime is 28000087. The next prime is 28000097. The reversal of 28000092 is 29000082.

It is an interprime number because it is at equal distance from previous prime (28000087) and next prime (28000097).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28000097) 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, 9759 + ... + 12297.

Almost surely, 2^28000092 is an apocalyptic number.

It is an amenable number.

28000092 is an abundant number, since it is smaller than the sum of its proper divisors (37430308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28000092 is a wasteful number, since it uses less digits than its factorization.

28000092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465 (or 3463 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 28000092 is about 5291.5113153049. The cubic root of 28000092 is about 303.6592297660.

The spelling of 28000092 in words is "twenty-eight million, ninety-two", and thus it is an aban number and an uban number.