4068864 has 60 divisors (see below), whose sum is σ = 11756316. Its totient is φ = 1354752.

The previous prime is 4068851. The next prime is 4068871. The reversal of 4068864 is 4688604.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4167 + ... + 5049.

Almost surely, 2^4068864 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 4068864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5878158).

4068864 is an abundant number, since it is smaller than the sum of its proper divisors (7687452).

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

4068864 is an equidigital number, since it uses as much as digits as its factorization.

4068864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 4068864 is about 2017.1425333873. The cubic root of 4068864 is about 159.6458835043.

The spelling of 4068864 in words is "four million, sixty-eight thousand, eight hundred sixty-four".