618342 has 16 divisors (see below), whose sum is σ = 1244592. Its totient is φ = 204800.

The previous prime is 618337. The next prime is 618347. The reversal of 618342 is 243816.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (618337) and next prime (618347).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618347) 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, 1342 + ... + 1742.

It is an arithmetic number, because the mean of its divisors is an integer number (77787).

2⁶¹⁸³⁴² is an apocalyptic number.

618342 is an abundant number, since it is smaller than the sum of its proper divisors (626250).

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

618342 is a wasteful number, since it uses less digits than its factorization.

618342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663.

The product of its digits is 1152, while the sum is 24.

The square root of 618342 is about 786.3472515371. The cubic root of 618342 is about 85.1941123133.

The spelling of 618342 in words is "six hundred eighteen thousand, three hundred forty-two".