28492392 has 32 divisors (see below), whose sum is σ = 71971200. Its totient is φ = 9398784.

The previous prime is 28492367. The next prime is 28492427. The reversal of 28492392 is 29329482.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28492392.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3792 + ... + 8447.

It is an arithmetic number, because the mean of its divisors is an integer number (2249100).

Almost surely, 2^28492392 is an apocalyptic number.

It is an amenable number.

28492392 is an abundant number, since it is smaller than the sum of its proper divisors (43478808).

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

28492392 is a wasteful number, since it uses less digits than its factorization.

28492392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12345 (or 12341 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 28492392 is about 5337.8265239702. The cubic root of 28492392 is about 305.4285545938.

The spelling of 28492392 in words is "twenty-eight million, four hundred ninety-two thousand, three hundred ninety-two".