3181485 has 8 divisors (see below), whose sum is σ = 5090400. Its totient is φ = 1696784.

The previous prime is 3181481. The next prime is 3181489. The reversal of 3181485 is 5841813.

3181485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3181481) and next prime (3181489).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3181485 - 2² = 3181481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3181481) 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, 106035 + ... + 106064.

It is an arithmetic number, because the mean of its divisors is an integer number (636300).

Almost surely, 2^3181485 is an apocalyptic number.

It is an amenable number.

3181485 is a deficient number, since it is larger than the sum of its proper divisors (1908915).

3181485 is a wasteful number, since it uses less digits than its factorization.

3181485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212107.

The product of its digits is 3840, while the sum is 30.

The square root of 3181485 is about 1783.6717747388. The cubic root of 3181485 is about 147.0765023609.

The spelling of 3181485 in words is "three million, one hundred eighty-one thousand, four hundred eighty-five".