1389342204 has 72 divisors (see below), whose sum is σ = 3732700608. Its totient is φ = 434211840.

The previous prime is 1389342203. The next prime is 1389342233. The reversal of 1389342204 is 4022439831.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389342203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161664 + ... + 170040.

It is an arithmetic number, because the mean of its divisors is an integer number (51843064).

Almost surely, 2^1389342204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389342204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1866350304).

1389342204 is an abundant number, since it is smaller than the sum of its proper divisors (2343358404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1389342204 is a wasteful number, since it uses less digits than its factorization.

1389342204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8675 (or 8670 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1389342204 is about 37273.8809892396. The cubic root of 1389342204 is about 1115.8429558953.

The spelling of 1389342204 in words is "one billion, three hundred eighty-nine million, three hundred forty-two thousand, two hundred four".