28084924 has 24 divisors (see below), whose sum is σ = 57690080. Its totient is φ = 11710656.

The previous prime is 28084883. The next prime is 28084937. The reversal of 28084924 is 42948082.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 12519 + ... + 14590.

Almost surely, 2^28084924 is an apocalyptic number.

It is an amenable number.

28084924 is an abundant number, since it is smaller than the sum of its proper divisors (29605156).

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

28084924 is a wasteful number, since it uses less digits than its factorization.

28084924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27157 (or 27155 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 28084924 is about 5299.5211104401. The cubic root of 28084924 is about 303.9655864784.

The spelling of 28084924 in words is "twenty-eight million, eighty-four thousand, nine hundred twenty-four".