28050218 has 16 divisors (see below), whose sum is σ = 49386624. Its totient is φ = 11696400.

The previous prime is 28050199. The next prime is 28050227. The reversal of 28050218 is 81205082.

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, 26558 + ... + 27593.

It is an arithmetic number, because the mean of its divisors is an integer number (3086664).

Almost surely, 2^28050218 is an apocalyptic number.

28050218 is a deficient number, since it is larger than the sum of its proper divisors (21336406).

28050218 is a wasteful number, since it uses less digits than its factorization.

28050218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54197.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 28050218 is about 5296.2456514025. The cubic root of 28050218 is about 303.8403261772.

The spelling of 28050218 in words is "twenty-eight million, fifty thousand, two hundred eighteen".