13835389 has 2 divisors, whose sum is σ = 13835390. Its totient is φ = 13835388.

The previous prime is 13835387. The next prime is 13835411. The reversal of 13835389 is 98353831.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13764100 + 71289 = 3710^2 + 267^2 .

It is a cyclic number.

It is not a de Polignac number, because 13835389 - 2¹ = 13835387 is a prime.

Together with 13835387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13835383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6917694 + 6917695.

It is an arithmetic number, because the mean of its divisors is an integer number (6917695).

Almost surely, 2^13835389 is an apocalyptic number.

It is an amenable number.

13835389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13835389 is an equidigital number, since it uses as much as digits as its factorization.

13835389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 13835389 is about 3719.5952736823. The cubic root of 13835389 is about 240.0658904733.

The spelling of 13835389 in words is "thirteen million, eight hundred thirty-five thousand, three hundred eighty-nine".