28811150 has 12 divisors (see below), whose sum is σ = 53588832. Its totient is φ = 11524440.

The previous prime is 28811137. The next prime is 28811173. The reversal of 28811150 is 5111882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288062 + ... + 288161.

It is an arithmetic number, because the mean of its divisors is an integer number (4465736).

Almost surely, 2^28811150 is an apocalyptic number.

28811150 is a deficient number, since it is larger than the sum of its proper divisors (24777682).

28811150 is a wasteful number, since it uses less digits than its factorization.

28811150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576235 (or 576230 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 28811150 is about 5367.6018853861. The cubic root of 28811150 is about 306.5633250303.

The spelling of 28811150 in words is "twenty-eight million, eight hundred eleven thousand, one hundred fifty".