426301636 has 6 divisors (see below), whose sum is σ = 746027870. Its totient is φ = 213150816.

The previous prime is 426301633. The next prime is 426301643. The reversal of 426301636 is 636103624.

It can be written as a sum of positive squares in only one way, i.e., 405780736 + 20520900 = 20144^2 + 4530^2 .

It is a junction number, because it is equal to n+sod(n) for n = 426301598 and 426301607.

It is not an unprimeable number, because it can be changed into a prime (426301633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53287701 + ... + 53287708.

Almost surely, 2^426301636 is an apocalyptic number.

It is an amenable number.

426301636 is a deficient number, since it is larger than the sum of its proper divisors (319726234).

426301636 is a wasteful number, since it uses less digits than its factorization.

426301636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106575413 (or 106575411 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 426301636 is about 20647.0733034975. The cubic root of 426301636 is about 752.6140699692.

The spelling of 426301636 in words is "four hundred twenty-six million, three hundred one thousand, six hundred thirty-six".