426441667 has 16 divisors (see below), whose sum is σ = 443455744. Its totient is φ = 409860000.

The previous prime is 426441661. The next prime is 426441703. The reversal of 426441667 is 766144624.

It is a cyclic number.

It is not a de Polignac number, because 426441667 - 2¹⁹ = 425917379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426441661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616792 + ... + 617482.

It is an arithmetic number, because the mean of its divisors is an integer number (27715984).

Almost surely, 2^426441667 is an apocalyptic number.

426441667 is a deficient number, since it is larger than the sum of its proper divisors (17014077).

426441667 is a wasteful number, since it uses less digits than its factorization.

426441667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970.

The product of its digits is 193536, while the sum is 40.

The square root of 426441667 is about 20650.4640867948. The cubic root of 426441667 is about 752.6964668409.

The spelling of 426441667 in words is "four hundred twenty-six million, four hundred forty-one thousand, six hundred sixty-seven".