3180920 has 32 divisors (see below), whose sum is σ = 7207920. Its totient is φ = 1263360.

The previous prime is 3180917. The next prime is 3180929. The reversal of 3180920 is 290813.

3180920 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3180929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11099 + ... + 11381.

Almost surely, 2^3180920 is an apocalyptic number.

It is an amenable number.

3180920 is an abundant number, since it is smaller than the sum of its proper divisors (4027000).

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

3180920 is a wasteful number, since it uses less digits than its factorization.

3180920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 3180920 is about 1783.5133865491. The cubic root of 3180920 is about 147.0677954056.

The spelling of 3180920 in words is "three million, one hundred eighty thousand, nine hundred twenty".