1389192336 has 480 divisors, whose sum is σ = 5021107200. Its totient is φ = 365783040.

The previous prime is 1389192323. The next prime is 1389192359. The reversal of 1389192336 is 6332919831.

It is a super-2 number, since 2×1389192336² = 3859710692802273792, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1389192291 and 1389192300.

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 95 ways as a sum of consecutive naturals, for example, 19029996 + ... + 19030068.

It is an arithmetic number, because the mean of its divisors is an integer number (10460640).

Almost surely, 2^1389192336 is an apocalyptic number.

1389192336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389192336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2510553600).

1389192336 is an abundant number, since it is smaller than the sum of its proper divisors (3631914864).

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

1389192336 is a wasteful number, since it uses less digits than its factorization.

1389192336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 145 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 1389192336 is about 37271.8705728596. The cubic root of 1389192336 is about 1115.8028325513.

The spelling of 1389192336 in words is "one billion, three hundred eighty-nine million, one hundred ninety-two thousand, three hundred thirty-six".