28827572 has 12 divisors (see below), whose sum is σ = 50496096. Its totient is φ = 14400120.

The previous prime is 28827571. The next prime is 28827581. The reversal of 28827572 is 27572882.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28827571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2447 + ... + 7977.

It is an arithmetic number, because the mean of its divisors is an integer number (4208008).

Almost surely, 2^28827572 is an apocalyptic number.

It is an amenable number.

28827572 is a deficient number, since it is larger than the sum of its proper divisors (21668524).

28827572 is a wasteful number, since it uses less digits than its factorization.

28827572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838 (or 6836 counting only the distinct ones).

The product of its digits is 125440, while the sum is 41.

The square root of 28827572 is about 5369.1314008879. The cubic root of 28827572 is about 306.6215597383.

The spelling of 28827572 in words is "twenty-eight million, eight hundred twenty-seven thousand, five hundred seventy-two".