28532276 has 24 divisors (see below), whose sum is σ = 52039680. Its totient is φ = 13672800.

The previous prime is 28532267. The next prime is 28532293. The reversal of 28532276 is 67223582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12461 + ... + 14571.

It is an arithmetic number, because the mean of its divisors is an integer number (2168320).

Almost surely, 2^28532276 is an apocalyptic number.

It is an amenable number.

28532276 is a deficient number, since it is larger than the sum of its proper divisors (23507404).

28532276 is a wasteful number, since it uses less digits than its factorization.

28532276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2253 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 28532276 is about 5341.5611950066. The cubic root of 28532276 is about 305.5710023608.

The spelling of 28532276 in words is "twenty-eight million, five hundred thirty-two thousand, two hundred seventy-six".