426667401 has 48 divisors (see below), whose sum is σ = 678787200. Its totient is φ = 257209344.

The previous prime is 426667379. The next prime is 426667421. The reversal of 426667401 is 104766624.

It is not a de Polignac number, because 426667401 - 2¹⁷ = 426536329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (426667421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 480580 + ... + 481466.

It is an arithmetic number, because the mean of its divisors is an integer number (14141400).

Almost surely, 2^426667401 is an apocalyptic number.

It is an amenable number.

426667401 is a deficient number, since it is larger than the sum of its proper divisors (252119799).

426667401 is a wasteful number, since it uses less digits than its factorization.

426667401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 426667401 is about 20655.9289551451. The cubic root of 426667401 is about 752.8292550009.

The spelling of 426667401 in words is "four hundred twenty-six million, six hundred sixty-seven thousand, four hundred one".