28398092 has 24 divisors (see below), whose sum is σ = 54046944. Its totient is φ = 13001472.

The previous prime is 28398079. The next prime is 28398107. The reversal of 28398092 is 29089382.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3128 + ... + 8159.

It is an arithmetic number, because the mean of its divisors is an integer number (2251956).

Almost surely, 2^28398092 is an apocalyptic number.

It is an amenable number.

28398092 is a deficient number, since it is larger than the sum of its proper divisors (25648852).

28398092 is a wasteful number, since it uses less digits than its factorization.

28398092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11345 (or 11343 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 28398092 is about 5328.9860198728. The cubic root of 28398092 is about 305.0912277494.

The spelling of 28398092 in words is "twenty-eight million, three hundred ninety-eight thousand, ninety-two".