618888 has 32 divisors (see below), whose sum is σ = 1568160. Its totient is φ = 203520.

The previous prime is 618883. The next prime is 618913. The reversal of 618888 is 888816.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (618883) by changing a digit.

618888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2448 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (49005).

2⁶¹⁸⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

618888 is an abundant number, since it is smaller than the sum of its proper divisors (949272).

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

618888 is a wasteful number, since it uses less digits than its factorization.

618888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 353 counting only the distinct ones).

The product of its digits is 24576, while the sum is 39.

The square root of 618888 is about 786.6943497954. The cubic root of 618888 is about 85.2191805877.

The spelling of 618888 in words is "six hundred eighteen thousand, eight hundred eighty-eight".