3143320 has 16 divisors (see below), whose sum is σ = 7072560. Its totient is φ = 1257312.

The previous prime is 3143299. The next prime is 3143323. The reversal of 3143320 is 233413.

It is a junction number, because it is equal to n+sod(n) for n = 3143294 and 3143303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39252 + ... + 39331.

It is an arithmetic number, because the mean of its divisors is an integer number (442035).

Almost surely, 2^3143320 is an apocalyptic number.

It is an amenable number.

3143320 is an abundant number, since it is smaller than the sum of its proper divisors (3929240).

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

3143320 is a wasteful number, since it uses less digits than its factorization.

3143320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78594 (or 78590 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3143320 is about 1772.9410593700. The cubic root of 3143320 is about 146.4860264602.

Adding to 3143320 its reverse (233413), we get a palindrome (3376733).

The spelling of 3143320 in words is "three million, one hundred forty-three thousand, three hundred twenty".