28265392 has 10 divisors (see below), whose sum is σ = 54764228. Its totient is φ = 14132688.

The previous prime is 28265389. The next prime is 28265423. The reversal of 28265392 is 29356282.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 883278 + ... + 883309.

Almost surely, 2^28265392 is an apocalyptic number.

It is an amenable number.

28265392 is a deficient number, since it is larger than the sum of its proper divisors (26498836).

28265392 is a wasteful number, since it uses less digits than its factorization.

28265392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766595 (or 1766589 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 28265392 is about 5316.5206667519. The cubic root of 28265392 is about 304.6152705244.

The spelling of 28265392 in words is "twenty-eight million, two hundred sixty-five thousand, three hundred ninety-two".