6144859 has 4 divisors (see below), whose sum is σ = 7022704. Its totient is φ = 5267016.

The previous prime is 6144833. The next prime is 6144863. The reversal of 6144859 is 9584416.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6144859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6144869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438912 + ... + 438925.

It is an arithmetic number, because the mean of its divisors is an integer number (1755676).

Almost surely, 2^6144859 is an apocalyptic number.

6144859 is a deficient number, since it is larger than the sum of its proper divisors (877845).

6144859 is an equidigital number, since it uses as much as digits as its factorization.

6144859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877844.

The product of its digits is 34560, while the sum is 37.

The square root of 6144859 is about 2478.8826111779. The cubic root of 6144859 is about 183.1628140838.

The spelling of 6144859 in words is "six million, one hundred forty-four thousand, eight hundred fifty-nine".