1687714 has 8 divisors (see below), whose sum is σ = 2893248. Its totient is φ = 723300.

The previous prime is 1687669. The next prime is 1687729. The reversal of 1687714 is 4177861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1687714.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60262 + ... + 60289.

It is an arithmetic number, because the mean of its divisors is an integer number (361656).

2^1687714 is an apocalyptic number.

1687714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1687714 is a deficient number, since it is larger than the sum of its proper divisors (1205534).

1687714 is a wasteful number, since it uses less digits than its factorization.

1687714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120560.

The product of its digits is 9408, while the sum is 34.

The square root of 1687714 is about 1299.1204717038. The cubic root of 1687714 is about 119.0601113342.

It can be divided in two parts, 1687 and 714, that added together give a 4-th power (2401 = 7⁴).

The spelling of 1687714 in words is "one million, six hundred eighty-seven thousand, seven hundred fourteen".