1389083623 has 8 divisors (see below), whose sum is σ = 1410529280. Its totient is φ = 1367734680.

The previous prime is 1389083621. The next prime is 1389083629. The reversal of 1389083623 is 3263809831.

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 1389083623 - 2¹ = 1389083621 is a prime.

It is a super-2 number, since 2×1389083623² = 3859106623373612258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1389083623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389083621) 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, 5038 + ... + 52948.

It is an arithmetic number, because the mean of its divisors is an integer number (176316160).

Almost surely, 2^1389083623 is an apocalyptic number.

1389083623 is a deficient number, since it is larger than the sum of its proper divisors (21445657).

1389083623 is an equidigital number, since it uses as much as digits as its factorization.

1389083623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48357.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 1389083623 is about 37270.4121656845. The cubic root of 1389083623 is about 1115.7737256056.

The spelling of 1389083623 in words is "one billion, three hundred eighty-nine million, eighty-three thousand, six hundred twenty-three".