6426635 has 8 divisors (see below), whose sum is σ = 7725696. Its totient is φ = 5132160.

The previous prime is 6426631. The next prime is 6426653. The reversal of 6426635 is 5366246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6426635 - 2² = 6426631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6426631) 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 in 7 ways as a sum of consecutive naturals, for example, 4307 + ... + 5603.

It is an arithmetic number, because the mean of its divisors is an integer number (965712).

Almost surely, 2^6426635 is an apocalyptic number.

6426635 is a deficient number, since it is larger than the sum of its proper divisors (1299061).

6426635 is a wasteful number, since it uses less digits than its factorization.

6426635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293.

The product of its digits is 25920, while the sum is 32.

The square root of 6426635 is about 2535.0808665603. The cubic root of 6426635 is about 185.9207567015.

The spelling of 6426635 in words is "six million, four hundred twenty-six thousand, six hundred thirty-five".