1389074904 has 48 divisors (see below), whose sum is σ = 4299519120. Its totient is φ = 396878400.

The previous prime is 1389074893. The next prime is 1389074923. The reversal of 1389074904 is 4094709831.

It is a self number, because there is not a number n which added to its sum of digits gives 1389074904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1377547 + ... + 1378554.

It is an arithmetic number, because the mean of its divisors is an integer number (89573315).

Almost surely, 2^1389074904 is an apocalyptic number.

1389074904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1389074904 is an abundant number, since it is smaller than the sum of its proper divisors (2910444216).

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

1389074904 is a wasteful number, since it uses less digits than its factorization.

1389074904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756120 (or 2756113 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1389074904 is about 37270.2951960405. The cubic root of 1389074904 is about 1115.7713911046.

The spelling of 1389074904 in words is "one billion, three hundred eighty-nine million, seventy-four thousand, nine hundred four".