2028618 has 16 divisors (see below), whose sum is σ = 4508160. Its totient is φ = 676188.

The previous prime is 2028617. The next prime is 2028629. The reversal of 2028618 is 8168202.

2028618 is a `hidden beast` number, since 20 + 28 + 618 = 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 = 2028591 and 2028600.

It is not an unprimeable number, because it can be changed into a prime (2028617) 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, 18730 + ... + 18837.

It is an arithmetic number, because the mean of its divisors is an integer number (281760).

2^2028618 is an apocalyptic number.

2028618 is an abundant number, since it is smaller than the sum of its proper divisors (2479542).

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

2028618 is a wasteful number, since it uses less digits than its factorization.

2028618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37578 (or 37572 counting only the distinct ones).

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

The square root of 2028618 is about 1424.2956153833. The cubic root of 2028618 is about 126.5902016181.

The spelling of 2028618 in words is "two million, twenty-eight thousand, six hundred eighteen".