6138897 has 4 divisors (see below), whose sum is σ = 8185200. Its totient is φ = 4092596.

The previous prime is 6138893. The next prime is 6138901. The reversal of 6138897 is 7988316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6138893) and next prime (6138901).

It is a cyclic number.

It is not a de Polignac number, because 6138897 - 2² = 6138893 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6138893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023147 + ... + 1023152.

It is an arithmetic number, because the mean of its divisors is an integer number (2046300).

Almost surely, 2^6138897 is an apocalyptic number.

It is an amenable number.

6138897 is a deficient number, since it is larger than the sum of its proper divisors (2046303).

6138897 is a wasteful number, since it uses less digits than its factorization.

6138897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046302.

The product of its digits is 72576, while the sum is 42.

The square root of 6138897 is about 2477.6797613897. The cubic root of 6138897 is about 183.1035574998.

The spelling of 6138897 in words is "six million, one hundred thirty-eight thousand, eight hundred ninety-seven".