1389952583 has 8 divisors (see below), whose sum is σ = 1457264256. Its totient is φ = 1323214200.

The previous prime is 1389952579. The next prime is 1389952591. The reversal of 1389952583 is 3852599831.

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

It is a cyclic number.

It is not a de Polignac number, because 1389952583 - 2² = 1389952579 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389954583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138353 + ... + 148058.

It is an arithmetic number, because the mean of its divisors is an integer number (182158032).

Almost surely, 2^1389952583 is an apocalyptic number.

1389952583 is a deficient number, since it is larger than the sum of its proper divisors (67311673).

1389952583 is a wasteful number, since it uses less digits than its factorization.

1389952583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286645.

The product of its digits is 2332800, while the sum is 53.

The square root of 1389952583 is about 37282.0678476932. The cubic root of 1389952583 is about 1116.0063395430.

The spelling of 1389952583 in words is "one billion, three hundred eighty-nine million, nine hundred fifty-two thousand, five hundred eighty-three".