3486681 has 24 divisors (see below), whose sum is σ = 5634720. Its totient is φ = 2059200.

The previous prime is 3486677. The next prime is 3486689. The reversal of 3486681 is 1866843.

It is a happy number.

It is not a de Polignac number, because 3486681 - 2² = 3486677 is a prime.

It is a super-2 number, since 2×3486681² = 24313888791522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3486689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3630 + ... + 4488.

It is an arithmetic number, because the mean of its divisors is an integer number (234780).

Almost surely, 2^3486681 is an apocalyptic number.

It is an amenable number.

3486681 is a deficient number, since it is larger than the sum of its proper divisors (2148039).

3486681 is a wasteful number, since it uses less digits than its factorization.

3486681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 914 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 3486681 is about 1867.2656479462. The cubic root of 3486681 is about 151.6366117370.

It can be divided in two parts, 3 and 486681, that added together give a palindrome (486684).

The spelling of 3486681 in words is "three million, four hundred eighty-six thousand, six hundred eighty-one".