3180990 has 16 divisors (see below), whose sum is σ = 7634448. Its totient is φ = 848256.

The previous prime is 3180979. The next prime is 3180997. The reversal of 3180990 is 990813.

It is a happy number.

3180990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 106033 = 3180990 / (3 + 1 + 8 + 0 + 9 + 9 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3180997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52987 + ... + 53046.

It is an arithmetic number, because the mean of its divisors is an integer number (477153).

Almost surely, 2^3180990 is an apocalyptic number.

3180990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3180990 is an abundant number, since it is smaller than the sum of its proper divisors (4453458).

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

3180990 is a wasteful number, since it uses less digits than its factorization.

3180990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106043.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 3180990 is about 1783.5330106281. The cubic root of 3180990 is about 147.0688741994.

The spelling of 3180990 in words is "three million, one hundred eighty thousand, nine hundred ninety".