426906243 has 24 divisors (see below), whose sum is σ = 654020640. Its totient is φ = 267759360.

The previous prime is 426906199. The next prime is 426906247. The reversal of 426906243 is 342609624.

426906243 is a `hidden beast` number, since 4 + 26 + 9 + 0 + 624 + 3 = 666.

It is not a de Polignac number, because 426906243 - 2²⁵ = 393351811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426906198 and 426906207.

It is not an unprimeable number, because it can be changed into a prime (426906247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4278 + ... + 29531.

It is an arithmetic number, because the mean of its divisors is an integer number (27250860).

Almost surely, 2^426906243 is an apocalyptic number.

426906243 is a deficient number, since it is larger than the sum of its proper divisors (227114397).

426906243 is a wasteful number, since it uses less digits than its factorization.

426906243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33899 (or 33896 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 426906243 is about 20661.7095856079. The cubic root of 426906243 is about 752.9697029656.

The spelling of 426906243 in words is "four hundred twenty-six million, nine hundred six thousand, two hundred forty-three".