28076232 has 32 divisors (see below), whose sum is σ = 70711200. Its totient is φ = 9289344.

The previous prime is 28076227. The next prime is 28076233. The reversal of 28076232 is 23267082.

It is a self number, because there is not a number n which added to its sum of digits gives 28076232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28076233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982 + ... + 7557.

It is an arithmetic number, because the mean of its divisors is an integer number (2209725).

Almost surely, 2^28076232 is an apocalyptic number.

It is an amenable number.

28076232 is an abundant number, since it is smaller than the sum of its proper divisors (42634968).

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

28076232 is a wasteful number, since it uses less digits than its factorization.

28076232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8685 (or 8681 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 28076232 is about 5298.7009728801. The cubic root of 28076232 is about 303.9342251510.

The spelling of 28076232 in words is "twenty-eight million, seventy-six thousand, two hundred thirty-two".