6158389 has 2 divisors, whose sum is σ = 6158390. Its totient is φ = 6158388.

The previous prime is 6158381. The next prime is 6158393. The reversal of 6158389 is 9838516.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3771364 + 2387025 = 1942^2 + 1545^2 .

It is a cyclic number.

It is not a de Polignac number, because 6158389 - 2³ = 6158381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6158381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3079194 + 3079195.

It is an arithmetic number, because the mean of its divisors is an integer number (3079195).

Almost surely, 2^6158389 is an apocalyptic number.

It is an amenable number.

6158389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6158389 is an equidigital number, since it uses as much as digits as its factorization.

6158389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The square root of 6158389 is about 2481.6101627774. The cubic root of 6158389 is about 183.2971473118.

The spelling of 6158389 in words is "six million, one hundred fifty-eight thousand, three hundred eighty-nine".