3486181 has 4 divisors (see below), whose sum is σ = 3552012. Its totient is φ = 3420352.

The previous prime is 3486169. The next prime is 3486187. The reversal of 3486181 is 1816843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2402500 + 1083681 = 1550^2 + 1041^2 .

It is a cyclic number.

It is not a de Polignac number, because 3486181 - 2⁵ = 3486149 is a prime.

It is a super-2 number, since 2×3486181² = 24306915929522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3486187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32836 + ... + 32941.

It is an arithmetic number, because the mean of its divisors is an integer number (888003).

Almost surely, 2^3486181 is an apocalyptic number.

It is an amenable number.

3486181 is a deficient number, since it is larger than the sum of its proper divisors (65831).

3486181 is an equidigital number, since it uses as much as digits as its factorization.

3486181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65830.

The product of its digits is 4608, while the sum is 31.

The square root of 3486181 is about 1867.1317575361. The cubic root of 3486181 is about 151.6293630163.

The spelling of 3486181 in words is "three million, four hundred eighty-six thousand, one hundred eighty-one".