1389795 has 16 divisors (see below), whose sum is σ = 2426112. Its totient is φ = 673760.

The previous prime is 1389769. The next prime is 1389797. The reversal of 1389795 is 5979831.

It is a happy number.

It is not a de Polignac number, because 1389795 - 2⁷ = 1389667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1389797) 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, 4047 + ... + 4376.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

2^1389795 is an apocalyptic number.

1389795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1389795 is a deficient number, since it is larger than the sum of its proper divisors (1036317).

1389795 is a wasteful number, since it uses less digits than its factorization.

1389795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442.

The product of its digits is 68040, while the sum is 42.

The square root of 1389795 is about 1178.8956696841. The cubic root of 1389795 is about 111.5964162979.

The spelling of 1389795 in words is "one million, three hundred eighty-nine thousand, seven hundred ninety-five".