1389602334 has 8 divisors (see below), whose sum is σ = 2779204680. Its totient is φ = 463200776.

The previous prime is 1389602267. The next prime is 1389602353. The reversal of 1389602334 is 4332069831.

It is a sphenic number, since it is the product of 3 distinct primes.

1389602334 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1389602292 and 1389602301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115800189 + ... + 115800200.

It is an arithmetic number, because the mean of its divisors is an integer number (347400585).

Almost surely, 2^1389602334 is an apocalyptic number.

1389602334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1389602334 is a wasteful number, since it uses less digits than its factorization.

1389602334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231600394.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 1389602334 is about 37277.3702666913. The cubic root of 1389602334 is about 1115.9125922344.

The spelling of 1389602334 in words is "one billion, three hundred eighty-nine million, six hundred two thousand, three hundred thirty-four".