3141687 has 4 divisors (see below), whose sum is σ = 4188920. Its totient is φ = 2094456.

The previous prime is 3141673. The next prime is 3141689. The reversal of 3141687 is 7861413.

It is a happy number.

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

It is not a de Polignac number, because 3141687 - 2⁸ = 3141431 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3141689) 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, 523612 + ... + 523617.

It is an arithmetic number, because the mean of its divisors is an integer number (1047230).

Almost surely, 2^3141687 is an apocalyptic number.

3141687 is a deficient number, since it is larger than the sum of its proper divisors (1047233).

3141687 is a wasteful number, since it uses less digits than its factorization.

3141687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047232.

The product of its digits is 4032, while the sum is 30.

The square root of 3141687 is about 1772.4804653366. The cubic root of 3141687 is about 146.4606548661.

It can be divided in two parts, 3141 and 687, that added together give a triangular number (3828 = T₈₇).

The spelling of 3141687 in words is "three million, one hundred forty-one thousand, six hundred eighty-seven".