3487686 has 32 divisors (see below), whose sum is σ = 7630848. Its totient is φ = 1057920.

The previous prime is 3487661. The next prime is 3487691. The reversal of 3487686 is 6867843.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2611 + ... + 3713.

It is an arithmetic number, because the mean of its divisors is an integer number (238464).

Almost surely, 2^3487686 is an apocalyptic number.

3487686 is an abundant number, since it is smaller than the sum of its proper divisors (4143162).

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

3487686 is a wasteful number, since it uses less digits than its factorization.

3487686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its digits is 193536, while the sum is 42.

The square root of 3487686 is about 1867.5347386327. The cubic root of 3487686 is about 151.6511795696.

The spelling of 3487686 in words is "three million, four hundred eighty-seven thousand, six hundred eighty-six".