1678714 has 8 divisors (see below), whose sum is σ = 2531700. Its totient is φ = 834816.

The previous prime is 1678711. The next prime is 1678717. The reversal of 1678714 is 4178761.

It is an interprime number because it is at equal distance from previous prime (1678711) and next prime (1678717).

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 321489 = 1165^2 + 567^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1678714.

It is not an unprimeable number, because it can be changed into a prime (1678711) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1789 + ... + 2560.

2^1678714 is an apocalyptic number.

1678714 is a deficient number, since it is larger than the sum of its proper divisors (852986).

1678714 is a wasteful number, since it uses less digits than its factorization.

1678714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544.

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

The square root of 1678714 is about 1295.6519594397. The cubic root of 1678714 is about 118.8480984407.

The spelling of 1678714 in words is "one million, six hundred seventy-eight thousand, seven hundred fourteen".