1389935 has 8 divisors (see below), whose sum is σ = 1678320. Its totient is φ = 1105024.

The previous prime is 1389919. The next prime is 1389943. The reversal of 1389935 is 5399831.

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

It is a cyclic number.

It is not a de Polignac number, because 1389935 - 2⁴ = 1389919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (209790).

2^1389935 is an apocalyptic number.

1389935 is a deficient number, since it is larger than the sum of its proper divisors (288385).

1389935 is a wasteful number, since it uses less digits than its factorization.

1389935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737.

The product of its digits is 29160, while the sum is 38.

The square root of 1389935 is about 1178.9550457927. The cubic root of 1389935 is about 111.6001633670.

The spelling of 1389935 in words is "one million, three hundred eighty-nine thousand, nine hundred thirty-five".