28354782 has 24 divisors (see below), whose sum is σ = 57354696. Its totient is φ = 9345168.

The previous prime is 28354769. The next prime is 28354811. The reversal of 28354782 is 28745382.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28354782.

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 11 ways as a sum of consecutive naturals, for example, 96628 + ... + 96920.

It is an arithmetic number, because the mean of its divisors is an integer number (2389779).

Almost surely, 2^28354782 is an apocalyptic number.

28354782 is an abundant number, since it is smaller than the sum of its proper divisors (28999914).

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

28354782 is a wasteful number, since it uses less digits than its factorization.

28354782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 425 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 28354782 is about 5324.9208444821. The cubic root of 28354782 is about 304.9360503747.

The spelling of 28354782 in words is "twenty-eight million, three hundred fifty-four thousand, seven hundred eighty-two".