3213641 has 8 divisors (see below), whose sum is σ = 3427200. Its totient is φ = 3004560.

The previous prime is 3213619. The next prime is 3213659. The reversal of 3213641 is 1463123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3213641 - 2¹⁸ = 2951497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3218641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 2571.

It is an arithmetic number, because the mean of its divisors is an integer number (428400).

Almost surely, 2^3213641 is an apocalyptic number.

It is an amenable number.

3213641 is a deficient number, since it is larger than the sum of its proper divisors (213559).

3213641 is a wasteful number, since it uses less digits than its factorization.

3213641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239.

The product of its digits is 432, while the sum is 20.

The square root of 3213641 is about 1792.6631027608. The cubic root of 3213641 is about 147.5703542568.

Adding to 3213641 its reverse (1463123), we get a palindrome (4676764).

The spelling of 3213641 in words is "three million, two hundred thirteen thousand, six hundred forty-one".