1390683 has 16 divisors (see below), whose sum is σ = 2165760. Its totient is φ = 777216.

The previous prime is 1390681. The next prime is 1390693. The reversal of 1390683 is 3860931.

It is not a de Polignac number, because 1390683 - 2¹ = 1390681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1390683.

It is not an unprimeable number, because it can be changed into a prime (1390681) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 283 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (135360).

2^1390683 is an apocalyptic number.

1390683 is a deficient number, since it is larger than the sum of its proper divisors (775077).

1390683 is a wasteful number, since it uses less digits than its factorization.

1390683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1390683 is about 1179.2722332015. The cubic root of 1390683 is about 111.6201791596.

The spelling of 1390683 in words is "one million, three hundred ninety thousand, six hundred eighty-three".