3664320 has 112 divisors (see below), whose sum is σ = 12728448. Its totient is φ = 885760.

The previous prime is 3664319. The next prime is 3664327. The reversal of 3664320 is 234663.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10387 + ... + 10733.

Almost surely, 2^3664320 is an apocalyptic number.

3664320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3664320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6364224).

3664320 is an abundant number, since it is smaller than the sum of its proper divisors (9064128).

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

3664320 is a wasteful number, since it uses less digits than its factorization.

3664320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 3664320 is about 1914.2413640918. The cubic root of 3664320 is about 154.1692634901.

Adding to 3664320 its reverse (234663), we get a palindrome (3898983).

It can be divided in two parts, 36643 and 20, that added together give a palindrome (36663).

The spelling of 3664320 in words is "three million, six hundred sixty-four thousand, three hundred twenty".