1389829804 has 24 divisors (see below), whose sum is σ = 2654281728. Its totient is φ = 631509840.

The previous prime is 1389829801. The next prime is 1389829811. The reversal of 1389829804 is 4089289831.

It is not an unprimeable number, because it can be changed into a prime (1389829801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192117 + ... + 199219.

It is an arithmetic number, because the mean of its divisors is an integer number (110595072).

Almost surely, 2^1389829804 is an apocalyptic number.

It is an amenable number.

1389829804 is a deficient number, since it is larger than the sum of its proper divisors (1264451924).

1389829804 is a wasteful number, since it uses less digits than its factorization.

1389829804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565 (or 11563 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 1389829804 is about 37280.4211886078. The cubic root of 1389829804 is about 1115.9734784275.

The spelling of 1389829804 in words is "one billion, three hundred eighty-nine million, eight hundred twenty-nine thousand, eight hundred four".