6426946 has 4 divisors (see below), whose sum is σ = 9640422. Its totient is φ = 3213472.

The previous prime is 6426941. The next prime is 6426947. The reversal of 6426946 is 6496246.

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., 3381921 + 3045025 = 1839^2 + 1745^2 .

It is not an unprimeable number, because it can be changed into a prime (6426941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606735 + ... + 1606738.

Almost surely, 2^6426946 is an apocalyptic number.

6426946 is a deficient number, since it is larger than the sum of its proper divisors (3213476).

6426946 is a wasteful number, since it uses less digits than its factorization.

6426946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213475.

The product of its digits is 62208, while the sum is 37.

The square root of 6426946 is about 2535.1422050844. The cubic root of 6426946 is about 185.9237557009.

The spelling of 6426946 in words is "six million, four hundred twenty-six thousand, nine hundred forty-six".