618842 has 8 divisors (see below), whose sum is σ = 1060896. Its totient is φ = 265212.

The previous prime is 618841. The next prime is 618847. The reversal of 618842 is 248816.

618842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (618841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22088 + ... + 22115.

It is an arithmetic number, because the mean of its divisors is an integer number (132612).

2⁶¹⁸⁸⁴² is an apocalyptic number.

618842 is a deficient number, since it is larger than the sum of its proper divisors (442054).

618842 is a wasteful number, since it uses less digits than its factorization.

618842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44212.

The product of its digits is 3072, while the sum is 29.

The square root of 618842 is about 786.6651129928. The cubic root of 618842 is about 85.2170691774.

The spelling of 618842 in words is "six hundred eighteen thousand, eight hundred forty-two".