3147687 has 16 divisors (see below), whose sum is σ = 4730080. Its totient is φ = 2068416.

The previous prime is 3147679. The next prime is 3147707. The reversal of 3147687 is 7867413.

It is not a de Polignac number, because 3147687 - 2³ = 3147679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173 + ... + 2769.

It is an arithmetic number, because the mean of its divisors is an integer number (295630).

Almost surely, 2^3147687 is an apocalyptic number.

3147687 is a deficient number, since it is larger than the sum of its proper divisors (1582393).

3147687 is a wasteful number, since it uses less digits than its factorization.

3147687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679 (or 1673 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 3147687 is about 1774.1722013379. The cubic root of 3147687 is about 146.5538325230.

It can be divided in two parts, 314 and 7687, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 3147687 in words is "three million, one hundred forty-seven thousand, six hundred eighty-seven".