1390714 has 16 divisors (see below), whose sum is σ = 2275560. Its totient is φ = 633600.

The previous prime is 1390709. The next prime is 1390729. The reversal of 1390714 is 4170931.

It can be written as a sum of positive squares in 4 ways, for example, as 990025 + 400689 = 995^2 + 633^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2014 + ... + 2614.

2^1390714 is an apocalyptic number.

1390714 is a deficient number, since it is larger than the sum of its proper divisors (884846).

1390714 is a wasteful number, since it uses less digits than its factorization.

1390714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1390714 is about 1179.2853768278. The cubic root of 1390714 is about 111.6210085362.

The spelling of 1390714 in words is "one million, three hundred ninety thousand, seven hundred fourteen".