6181426 has 4 divisors (see below), whose sum is σ = 9272142. Its totient is φ = 3090712.

The previous prime is 6181423. The next prime is 6181433. The reversal of 6181426 is 6241816.

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

It can be written as a sum of positive squares in only one way, i.e., 5978025 + 203401 = 2445^2 + 451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6181394 and 6181403.

It is not an unprimeable number, because it can be changed into a prime (6181423) 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 as a sum of consecutive naturals, namely, 1545355 + ... + 1545358.

Almost surely, 2^6181426 is an apocalyptic number.

6181426 is a deficient number, since it is larger than the sum of its proper divisors (3090716).

6181426 is a wasteful number, since it uses less digits than its factorization.

6181426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090715.

The product of its digits is 2304, while the sum is 28.

The square root of 6181426 is about 2486.2473730504. The cubic root of 6181426 is about 183.5254192427.

The spelling of 6181426 in words is "six million, one hundred eighty-one thousand, four hundred twenty-six".