13850389 has 6 divisors (see below), whose sum is σ = 16111734. Its totient is φ = 11871720.

The previous prime is 13850387. The next prime is 13850407. The reversal of 13850389 is 98305831.

It can be written as a sum of positive squares in only one way, i.e., 12006225 + 1844164 = 3465^2 + 1358^2 .

It is not a de Polignac number, because 13850389 - 2¹ = 13850387 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 (13850381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141282 + ... + 141379.

It is an arithmetic number, because the mean of its divisors is an integer number (2685289).

Almost surely, 2^13850389 is an apocalyptic number.

It is an amenable number.

13850389 is a deficient number, since it is larger than the sum of its proper divisors (2261345).

13850389 is an equidigital number, since it uses as much as digits as its factorization.

13850389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282675 (or 282668 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 13850389 is about 3721.6110758649. The cubic root of 13850389 is about 240.1526170499.

The spelling of 13850389 in words is "thirteen million, eight hundred fifty thousand, three hundred eighty-nine".