4080618 has 20 divisors (see below), whose sum is σ = 9143970. Its totient is φ = 1360152.

The previous prime is 4080613. The next prime is 4080647. The reversal of 4080618 is 8160804.

4080618 is a `hidden beast` number, since 40 + 8 + 0 + 618 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2424249 + 1656369 = 1557^2 + 1287^2 .

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 = 4080591 and 4080600.

It is not an unprimeable number, because it can be changed into a prime (4080613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12433 + ... + 12756.

Almost surely, 2^4080618 is an apocalyptic number.

4080618 is an abundant number, since it is smaller than the sum of its proper divisors (5063352).

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

4080618 is a wasteful number, since it uses less digits than its factorization.

4080618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25203 (or 25194 counting only the distinct ones).

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

The square root of 4080618 is about 2020.0539596753. The cubic root of 4080618 is about 159.7994623006.

The spelling of 4080618 in words is "four million, eighty thousand, six hundred eighteen".