427868 has 36 divisors (see below), whose sum is σ = 909720. Its totient is φ = 175392.

The previous prime is 427859. The next prime is 427877. The reversal of 427868 is 868724.

It is an interprime number because it is at equal distance from previous prime (427859) and next prime (427877).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7223 + ... + 7281.

It is an arithmetic number, because the mean of its divisors is an integer number (25270).

2⁴²⁷⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454860).

427868 is an abundant number, since it is smaller than the sum of its proper divisors (481852).

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

427868 is a wasteful number, since it uses less digits than its factorization.

427868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 105 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 427868 is about 654.1161976285. The cubic root of 427868 is about 75.3534722221.

It can be divided in two parts, 4 and 27868, that added together give a palindrome (27872).

The spelling of 427868 in words is "four hundred twenty-seven thousand, eight hundred sixty-eight".