6426244 has 12 divisors (see below), whose sum is σ = 12268368. Its totient is φ = 2921000.

The previous prime is 6426241. The next prime is 6426247. The reversal of 6426244 is 4426246.

It is an interprime number because it is at equal distance from previous prime (6426241) and next prime (6426247).

It is a super-2 number, since 2×6426244² = 82593223895072, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁷ + 4 + 2¹¹ + 6⁸ + 2¹³ + 4⁹ + 4¹¹ .

It is not an unprimeable number, because it can be changed into a prime (6426241) 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, 72982 + ... + 73069.

It is an arithmetic number, because the mean of its divisors is an integer number (1022364).

Almost surely, 2^6426244 is an apocalyptic number.

It is an amenable number.

6426244 is a deficient number, since it is larger than the sum of its proper divisors (5842124).

6426244 is a wasteful number, since it uses less digits than its factorization.

6426244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146066 (or 146064 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 6426244 is about 2535.0037475317. The cubic root of 6426244 is about 185.9169861181.

It can be divided in two parts, 6426 and 244, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 6426244 in words is "six million, four hundred twenty-six thousand, two hundred forty-four".