3481785 has 20 divisors (see below), whose sum is σ = 6242148. Its totient is φ = 1856736.

The previous prime is 3481781. The next prime is 3481799. The reversal of 3481785 is 5871843.

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 1610361 = 1368^2 + 1269^2 .

It is not a de Polignac number, because 3481785 - 2² = 3481781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3481781) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3894 + ... + 4703.

Almost surely, 2^3481785 is an apocalyptic number.

It is an amenable number.

3481785 is a deficient number, since it is larger than the sum of its proper divisors (2760363).

3481785 is an equidigital number, since it uses as much as digits as its factorization.

3481785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8614 (or 8605 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 3481785 is about 1865.9541795017. The cubic root of 3481785 is about 151.5656024093.

The spelling of 3481785 in words is "three million, four hundred eighty-one thousand, seven hundred eighty-five".