1389083046 has 64 divisors (see below), whose sum is σ = 3158265600. Its totient is φ = 403767936.

The previous prime is 1389083041. The next prime is 1389083053. The reversal of 1389083046 is 6403809831.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1389082989 and 1389083007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389083041) 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 31 ways as a sum of consecutive naturals, for example, 619840 + ... + 622076.

It is an arithmetic number, because the mean of its divisors is an integer number (49347900).

Almost surely, 2^1389083046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389083046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579132800).

1389083046 is an abundant number, since it is smaller than the sum of its proper divisors (1769182554).

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

1389083046 is a wasteful number, since it uses less digits than its factorization.

1389083046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1389083046 is about 37270.4044249590. The cubic root of 1389083046 is about 1115.7735711149.

The spelling of 1389083046 in words is "one billion, three hundred eighty-nine million, eighty-three thousand, forty-six".