1375994 has 8 divisors (see below), whose sum is σ = 2070900. Its totient is φ = 685696.

The previous prime is 1375987. The next prime is 1376003. The reversal of 1375994 is 4995731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 18769 = 1165^2 + 137^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269 + ... + 1680.

2^1375994 is an apocalyptic number.

1375994 is a deficient number, since it is larger than the sum of its proper divisors (694906).

1375994 is a wasteful number, since it uses less digits than its factorization.

1375994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304.

The product of its digits is 34020, while the sum is 38.

The square root of 1375994 is about 1173.0277064077. The cubic root of 1375994 is about 111.2257936646.

The spelling of 1375994 in words is "one million, three hundred seventy-five thousand, nine hundred ninety-four".