28062018 has 16 divisors (see below), whose sum is σ = 62360160. Its totient is φ = 9353988.

The previous prime is 28062017. The next prime is 28062049. The reversal of 28062018 is 81026082.

28062018 is a `hidden beast` number, since 28 + 0 + 620 + 18 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 28061982 and 28062000.

It is not an unprimeable number, because it can be changed into a prime (28062011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259780 + ... + 259887.

It is an arithmetic number, because the mean of its divisors is an integer number (3897510).

Almost surely, 2^28062018 is an apocalyptic number.

28062018 is an abundant number, since it is smaller than the sum of its proper divisors (34298142).

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

28062018 is a wasteful number, since it uses less digits than its factorization.

28062018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519678 (or 519672 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 28062018 is about 5297.3595309361. The cubic root of 28062018 is about 303.8829261220.

The spelling of 28062018 in words is "twenty-eight million, sixty-two thousand, eighteen".