6345426 has 32 divisors (see below), whose sum is σ = 13209408. Its totient is φ = 2030400.

The previous prime is 6345419. The next prime is 6345431. The reversal of 6345426 is 6245436.

It is a super-2 number, since 2×6345426² = 80528862242952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 6² + 3¹⁰ + 4³ + 5⁹ + 4¹¹ + 2¹⁷ + 6⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 6345393 and 6345402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22281 + ... + 22563.

It is an arithmetic number, because the mean of its divisors is an integer number (412794).

Almost surely, 2^6345426 is an apocalyptic number.

6345426 is an abundant number, since it is smaller than the sum of its proper divisors (6863982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6345426 is a wasteful number, since it uses less digits than its factorization.

6345426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its digits is 17280, while the sum is 30.

The square root of 6345426 is about 2519.0129019122. The cubic root of 6345426 is about 185.1343168718.

The spelling of 6345426 in words is "six million, three hundred forty-five thousand, four hundred twenty-six".