1394081 has 12 divisors (see below), whose sum is σ = 1543788. Its totient is φ = 1257984.

The previous prime is 1394047. The next prime is 1394083. The reversal of 1394081 is 1804931.

It can be written as a sum of positive squares in 6 ways, for example, as 555025 + 839056 = 745^2 + 916^2 .

It is not a de Polignac number, because 1394081 - 2¹⁸ = 1131937 is a prime.

It is a super-2 number, since 2×1394081² = 3886923669122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1394081.

It is not an unprimeable number, because it can be changed into a prime (1394083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12281 + ... + 12393.

It is an arithmetic number, because the mean of its divisors is an integer number (128649).

2^1394081 is an apocalyptic number.

It is an amenable number.

1394081 is a deficient number, since it is larger than the sum of its proper divisors (149707).

1394081 is a wasteful number, since it uses less digits than its factorization.

1394081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1394081 is about 1180.7120732846. The cubic root of 1394081 is about 111.7110162691.

The spelling of 1394081 in words is "one million, three hundred ninety-four thousand, eighty-one".