28119792 has 40 divisors (see below), whose sum is σ = 75151440. Its totient is φ = 9049600.

The previous prime is 28119787. The next prime is 28119811. The reversal of 28119792 is 29791182.

It is a self number, because there is not a number n which added to its sum of digits gives 28119792.

It is a congruent number.

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, 8709 + ... + 11492.

It is an arithmetic number, because the mean of its divisors is an integer number (1878786).

Almost surely, 2^28119792 is an apocalyptic number.

It is an amenable number.

28119792 is an abundant number, since it is smaller than the sum of its proper divisors (47031648).

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

28119792 is a wasteful number, since it uses less digits than its factorization.

28119792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20241 (or 20235 counting only the distinct ones).

The product of its digits is 18144, while the sum is 39.

The square root of 28119792 is about 5302.8098212174. The cubic root of 28119792 is about 304.0913275930.

The spelling of 28119792 in words is "twenty-eight million, one hundred nineteen thousand, seven hundred ninety-two".