1389614885 has 16 divisors (see below), whose sum is σ = 1685463552. Its totient is φ = 1099771200.

The previous prime is 1389614869. The next prime is 1389614887. The reversal of 1389614885 is 5884169831.

It is not a de Polignac number, because 1389614885 - 2⁴ = 1389614869 is a prime.

It is a super-2 number, since 2×1389614885² = 3862059057227126450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389614887) 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 15 ways as a sum of consecutive naturals, for example, 528875 + ... + 531495.

It is an arithmetic number, because the mean of its divisors is an integer number (105341472).

Almost surely, 2^1389614885 is an apocalyptic number.

It is an amenable number.

1389614885 is a deficient number, since it is larger than the sum of its proper divisors (295848667).

1389614885 is a wasteful number, since it uses less digits than its factorization.

1389614885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724.

The product of its digits is 1658880, while the sum is 53.

The square root of 1389614885 is about 37277.5386124138. The cubic root of 1389614885 is about 1115.9159518950.

The spelling of 1389614885 in words is "one billion, three hundred eighty-nine million, six hundred fourteen thousand, eight hundred eighty-five".