3181960 has 16 divisors (see below), whose sum is σ = 7159500. Its totient is φ = 1272768.

The previous prime is 3181951. The next prime is 3181973. The reversal of 3181960 is 691813.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2896804 + 285156 = 1702^2 + 534^2 .

It is a nialpdrome in base 13.

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, 39735 + ... + 39814.

Almost surely, 2^3181960 is an apocalyptic number.

It is an amenable number.

3181960 is an abundant number, since it is smaller than the sum of its proper divisors (3977540).

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

3181960 is a wasteful number, since it uses less digits than its factorization.

3181960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79560 (or 79556 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 3181960 is about 1783.8049220697. The cubic root of 3181960 is about 147.0838215700.

It can be divided in two parts, 318 and 1960, that added together give a triangular number (2278 = T₆₇).

The spelling of 3181960 in words is "three million, one hundred eighty-one thousand, nine hundred sixty".