426436438 has 8 divisors (see below), whose sum is σ = 640044288. Its totient is φ = 213088344.

The previous prime is 426436429. The next prime is 426436447. The reversal of 426436438 is 834634624.

It is an interprime number because it is at equal distance from previous prime (426436429) and next prime (426436447).

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

It is a super-3 number, since 3×426436438³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 426436438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60781 + ... + 67432.

It is an arithmetic number, because the mean of its divisors is an integer number (80005536).

Almost surely, 2^426436438 is an apocalyptic number.

426436438 is a deficient number, since it is larger than the sum of its proper divisors (213607850).

426436438 is a wasteful number, since it uses less digits than its factorization.

426436438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129878.

The product of its digits is 331776, while the sum is 40.

The square root of 426436438 is about 20650.3374790825. The cubic root of 426436438 is about 752.6933903232.

The spelling of 426436438 in words is "four hundred twenty-six million, four hundred thirty-six thousand, four hundred thirty-eight".