4242618 has 20 divisors (see below), whose sum is σ = 9506970. Its totient is φ = 1414152.

The previous prime is 4242617. The next prime is 4242619. The reversal of 4242618 is 8162424.

4242618 is a `hidden beast` number, since 4 + 2 + 42 + 618 = 666.

It is an interprime number because it is at equal distance from previous prime (4242617) and next prime (4242619).

It can be written as a sum of positive squares in only one way, i.e., 3017169 + 1225449 = 1737^2 + 1107^2 .

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 = 4242591 and 4242600.

It is not an unprimeable number, because it can be changed into a prime (4242617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12933 + ... + 13256.

Almost surely, 2^4242618 is an apocalyptic number.

4242618 is an abundant number, since it is smaller than the sum of its proper divisors (5264352).

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

4242618 is a wasteful number, since it uses less digits than its factorization.

4242618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26203 (or 26194 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 4242618 is about 2059.7616366949. The cubic root of 4242618 is about 161.8867521270.

The spelling of 4242618 in words is "four million, two hundred forty-two thousand, six hundred eighteen".