3143685 has 8 divisors (see below), whose sum is σ = 5029920. Its totient is φ = 1676624.

The previous prime is 3143671. The next prime is 3143711. The reversal of 3143685 is 5863413.

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 3143685 - 2¹⁰ = 3142661 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104775 + ... + 104804.

It is an arithmetic number, because the mean of its divisors is an integer number (628740).

Almost surely, 2^3143685 is an apocalyptic number.

It is an amenable number.

3143685 is a deficient number, since it is larger than the sum of its proper divisors (1886235).

3143685 is a wasteful number, since it uses less digits than its factorization.

3143685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209587.

The product of its digits is 8640, while the sum is 30.

The square root of 3143685 is about 1773.0439926860. The cubic root of 3143685 is about 146.4916961905.

It can be divided in two parts, 3143 and 685, that added together give a triangular number (3828 = T₈₇).

The spelling of 3143685 in words is "three million, one hundred forty-three thousand, six hundred eighty-five".