3231380 has 12 divisors (see below), whose sum is σ = 6785940. Its totient is φ = 1292544.

The previous prime is 3231379. The next prime is 3231401. The reversal of 3231380 is 831323.

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 1430416 = 1342^2 + 1196^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 161569 = 3231380 / (3 + 2 + 3 + 1 + 3 + 8 + 0).

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, 80765 + ... + 80804.

It is an arithmetic number, because the mean of its divisors is an integer number (565495).

Almost surely, 2^3231380 is an apocalyptic number.

It is an amenable number.

3231380 is an abundant number, since it is smaller than the sum of its proper divisors (3554560).

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

3231380 is a wasteful number, since it uses less digits than its factorization.

3231380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161578 (or 161576 counting only the distinct ones).

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

The square root of 3231380 is about 1797.6039608323. The cubic root of 3231380 is about 147.8413810714.

The spelling of 3231380 in words is "three million, two hundred thirty-one thousand, three hundred eighty".