4253664 has 48 divisors (see below), whose sum is σ = 11370240. Its totient is φ = 1392000.

The previous prime is 4253653. The next prime is 4253671. The reversal of 4253664 is 4663524.

It is a tau number, because it is divible by the number of its divisors (48).

It is a d-powerful number, because it can be written as 4⁴ + 2³ + 5 + 3¹⁰ + 6 + 6² + 4¹¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5289 + ... + 6039.

It is an arithmetic number, because the mean of its divisors is an integer number (236880).

Almost surely, 2^4253664 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 4253664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5685120).

4253664 is an abundant number, since it is smaller than the sum of its proper divisors (7116576).

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

4253664 is a wasteful number, since it uses less digits than its factorization.

4253664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 815 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 4253664 is about 2062.4412718912. The cubic root of 4253664 is about 162.0271254685.

The spelling of 4253664 in words is "four million, two hundred fifty-three thousand, six hundred sixty-four".