1394986 has 16 divisors (see below), whose sum is σ = 2245320. Its totient is φ = 647680.

The previous prime is 1394983. The next prime is 1394989. The reversal of 1394986 is 6894931.

It is an interprime number because it is at equal distance from previous prime (1394983) and next prime (1394989).

It can be written as a sum of positive squares in 4 ways, for example, as 1071225 + 323761 = 1035^2 + 569^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2796 + ... + 3256.

2^1394986 is an apocalyptic number.

1394986 is a deficient number, since it is larger than the sum of its proper divisors (850334).

1394986 is a wasteful number, since it uses less digits than its factorization.

1394986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its digits is 46656, while the sum is 40.

The square root of 1394986 is about 1181.0952544143. The cubic root of 1394986 is about 111.7351843054.

Subtracting 1394986 from its reverse (6894931), we obtain a palindrome (5499945).

The spelling of 1394986 in words is "one million, three hundred ninety-four thousand, nine hundred eighty-six".