1389586434 has 8 divisors (see below), whose sum is σ = 2779172880. Its totient is φ = 463195476.

The previous prime is 1389586403. The next prime is 1389586441. The reversal of 1389586434 is 4346859831.

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

1389586434 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 115798864 + ... + 115798875.

It is an arithmetic number, because the mean of its divisors is an integer number (347396610).

Almost surely, 2^1389586434 is an apocalyptic number.

1389586434 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.

1389586434 is a wasteful number, since it uses less digits than its factorization.

1389586434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231597744.

The product of its digits is 2488320, while the sum is 51.

The square root of 1389586434 is about 37277.1569999645. The cubic root of 1389586434 is about 1115.9083360820.

The spelling of 1389586434 in words is "one billion, three hundred eighty-nine million, five hundred eighty-six thousand, four hundred thirty-four".