4027688 has 32 divisors (see below), whose sum is σ = 8760960. Its totient is φ = 1700160.

The previous prime is 4027687. The next prime is 4027693. The reversal of 4027688 is 8867204.

It is not an unprimeable number, because it can be changed into a prime (4027687) 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, 3470 + ... + 4482.

It is an arithmetic number, because the mean of its divisors is an integer number (273780).

Almost surely, 2^4027688 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 4027688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4380480).

4027688 is an abundant number, since it is smaller than the sum of its proper divisors (4733272).

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

4027688 is a wasteful number, since it uses less digits than its factorization.

4027688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1093 counting only the distinct ones).

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

The square root of 4027688 is about 2006.9100627582. The cubic root of 4027688 is about 159.1055296693.

The spelling of 4027688 in words is "four million, twenty-seven thousand, six hundred eighty-eight".