426260609 has 8 divisors (see below), whose sum is σ = 446043240. Its totient is φ = 406912896.

The previous prime is 426260599. The next prime is 426260629. The reversal of 426260609 is 906062624.

It can be written as a sum of positive squares in 4 ways, for example, as 111091600 + 315169009 = 10540^2 + 17753^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 426260609 - 2¹⁶ = 426195073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426260629) 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 in 7 ways as a sum of consecutive naturals, for example, 106724 + ... + 110645.

It is an arithmetic number, because the mean of its divisors is an integer number (55755405).

Almost surely, 2^426260609 is an apocalyptic number.

It is an amenable number.

426260609 is a deficient number, since it is larger than the sum of its proper divisors (19782631).

426260609 is a wasteful number, since it uses less digits than its factorization.

426260609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217459.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 426260609 is about 20646.0797489499. The cubic root of 426260609 is about 752.5899254939.

The spelling of 426260609 in words is "four hundred twenty-six million, two hundred sixty thousand, six hundred nine".