426484138 has 8 divisors (see below), whose sum is σ = 640678788. Its totient is φ = 212924544.

The previous prime is 426484133. The next prime is 426484139. The reversal of 426484138 is 831484624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 352575729 + 73908409 = 18777^2 + 8597^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 426484138.

It is not an unprimeable number, because it can be changed into a prime (426484133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157081 + ... + 159772.

Almost surely, 2^426484138 is an apocalyptic number.

426484138 is a deficient number, since it is larger than the sum of its proper divisors (214194650).

426484138 is a wasteful number, since it uses less digits than its factorization.

426484138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317528.

The product of its digits is 147456, while the sum is 40.

The square root of 426484138 is about 20651.4923915924. The cubic root of 426484138 is about 752.7214540102.

The spelling of 426484138 in words is "four hundred twenty-six million, four hundred eighty-four thousand, one hundred thirty-eight".