28576485 has 48 divisors (see below), whose sum is σ = 57343104. Its totient is φ = 12894336.

The previous prime is 28576477. The next prime is 28576501. The reversal of 28576485 is 58467582.

It is not a de Polignac number, because 28576485 - 2³ = 28576477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28576485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25599 + ... + 26691.

It is an arithmetic number, because the mean of its divisors is an integer number (1194648).

Almost surely, 2^28576485 is an apocalyptic number.

It is an amenable number.

28576485 is an abundant number, since it is smaller than the sum of its proper divisors (28766619).

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

28576485 is a wasteful number, since it uses less digits than its factorization.

28576485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1191 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 28576485 is about 5345.6978029066. The cubic root of 28576485 is about 305.7287420533.

The spelling of 28576485 in words is "twenty-eight million, five hundred seventy-six thousand, four hundred eighty-five".