3213040 has 20 divisors (see below), whose sum is σ = 7470504. Its totient is φ = 1285184.

The previous prime is 3213029. The next prime is 3213059. The reversal of 3213040 is 403123.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 3213040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20002 + ... + 20161.

Almost surely, 2^3213040 is an apocalyptic number.

It is an amenable number.

3213040 is an abundant number, since it is smaller than the sum of its proper divisors (4257464).

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

3213040 is a wasteful number, since it uses less digits than its factorization.

3213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40176 (or 40170 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3213040 is about 1792.4954672188. The cubic root of 3213040 is about 147.5611543791.

Adding to 3213040 its reverse (403123), we get a palindrome (3616163).

The spelling of 3213040 in words is "three million, two hundred thirteen thousand, forty".