3926664 has 128 divisors (see below), whose sum is σ = 12960000. Its totient is φ = 1100736.

The previous prime is 3926651. The next prime is 3926707. The reversal of 3926664 is 4666293.

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

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

It is a nialpdrome in base 14.

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74062 + ... + 74114.

It is an arithmetic number, because the mean of its divisors is an integer number (101250).

Almost surely, 2^3926664 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 3926664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6480000).

3926664 is an abundant number, since it is smaller than the sum of its proper divisors (9033336).

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

3926664 is a wasteful number, since it uses less digits than its factorization.

3926664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 65 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 3926664 is about 1981.5811868304. The cubic root of 3926664 is about 157.7640016773.

It can be divided in two parts, 392 and 6664, that added together give a square (7056 = 84²).

The spelling of 3926664 in words is "three million, nine hundred twenty-six thousand, six hundred sixty-four".