3213704 has 24 divisors (see below), whose sum is σ = 6527610. Its totient is φ = 1482624.

The previous prime is 3213689. The next prime is 3213737. The reversal of 3213704 is 4073123.

It can be written as a sum of positive squares in 3 ways, for example, as 1444804 + 1768900 = 1202^2 + 1330^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164 + ... + 2540.

Almost surely, 2^3213704 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 3213704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3263805).

3213704 is an abundant number, since it is smaller than the sum of its proper divisors (3313906).

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

3213704 is a wasteful number, since it uses less digits than its factorization.

3213704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 3213704 is about 1792.6806742976. The cubic root of 3213704 is about 147.5713185703.

Adding to 3213704 its reverse (4073123), we get a palindrome (7286827).

The spelling of 3213704 in words is "three million, two hundred thirteen thousand, seven hundred four".