6148809 has 6 divisors (see below), whose sum is σ = 8881626. Its totient is φ = 4099200.

The previous prime is 6148801. The next prime is 6148823. The reversal of 6148809 is 9088416.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6110784 + 38025 = 2472^2 + 195^2 .

It is not a de Polignac number, because 6148809 - 2³ = 6148801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6148801) 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, 341592 + ... + 341609.

It is an arithmetic number, because the mean of its divisors is an integer number (1480271).

Almost surely, 2^6148809 is an apocalyptic number.

It is an amenable number.

6148809 is a deficient number, since it is larger than the sum of its proper divisors (2732817).

6148809 is a wasteful number, since it uses less digits than its factorization.

6148809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683207 (or 683204 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 6148809 is about 2479.6792131241. The cubic root of 6148809 is about 183.2020522040.

The spelling of 6148809 in words is "six million, one hundred forty-eight thousand, eight hundred nine".