28084485 has 32 divisors (see below), whose sum is σ = 52795008. Its totient is φ = 12568320.

The previous prime is 28084477. The next prime is 28084523. The reversal of 28084485 is 58448082.

It is not a de Polignac number, because 28084485 - 2³ = 28084477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4402 + ... + 8691.

It is an arithmetic number, because the mean of its divisors is an integer number (1649844).

Almost surely, 2^28084485 is an apocalyptic number.

It is an amenable number.

28084485 is a deficient number, since it is larger than the sum of its proper divisors (24710523).

28084485 is a wasteful number, since it uses less digits than its factorization.

28084485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13125.

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 28084485 is about 5299.4796914414. The cubic root of 28084485 is about 303.9640026917.

The spelling of 28084485 in words is "twenty-eight million, eighty-four thousand, four hundred eighty-five".