28275792 has 40 divisors (see below), whose sum is σ = 73239360. Its totient is φ = 9400320.

The previous prime is 28275769. The next prime is 28275803. The reversal of 28275792 is 29757282.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30309 + ... + 31227.

It is an arithmetic number, because the mean of its divisors is an integer number (1830984).

Almost surely, 2^28275792 is an apocalyptic number.

It is an amenable number.

28275792 is an abundant number, since it is smaller than the sum of its proper divisors (44963568).

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

28275792 is a wasteful number, since it uses less digits than its factorization.

28275792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571 (or 1565 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 28275792 is about 5317.4986600845. The cubic root of 28275792 is about 304.6526261045.

The spelling of 28275792 in words is "twenty-eight million, two hundred seventy-five thousand, seven hundred ninety-two".