28804746 has 16 divisors (see below), whose sum is σ = 57744864. Its totient is φ = 9579024.

The previous prime is 28804739. The next prime is 28804751. The reversal of 28804746 is 64740882.

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, 2761 + ... + 8076.

It is an arithmetic number, because the mean of its divisors is an integer number (3609054).

Almost surely, 2^28804746 is an apocalyptic number.

28804746 is an abundant number, since it is smaller than the sum of its proper divisors (28940118).

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

28804746 is a wasteful number, since it uses less digits than its factorization.

28804746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11285.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 28804746 is about 5367.0053102266. The cubic root of 28804746 is about 306.5406095538.

It can be divided in two parts, 2880 and 4746, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 28804746 in words is "twenty-eight million, eight hundred four thousand, seven hundred forty-six".