3212664 has 64 divisors (see below), whose sum is σ = 9891840. Its totient is φ = 846720.

The previous prime is 3212647. The next prime is 3212689. The reversal of 3212664 is 4662123.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449 + ... + 2919.

It is an arithmetic number, because the mean of its divisors is an integer number (154560).

Almost surely, 2^3212664 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 3212664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4945920).

3212664 is an abundant number, since it is smaller than the sum of its proper divisors (6679176).

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

3212664 is a wasteful number, since it uses less digits than its factorization.

3212664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1496 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 3212664 is about 1792.3905824345. The cubic root of 3212664 is about 147.5553981319. Note that the first 3 decimals are identical.

Adding to 3212664 its reverse (4662123), we get a palindrome (7874787).

The spelling of 3212664 in words is "three million, two hundred twelve thousand, six hundred sixty-four".