426688037 has 4 divisors (see below), whose sum is σ = 426730080. Its totient is φ = 426645996.

The previous prime is 426687971. The next prime is 426688063. The reversal of 426688037 is 730886624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 426688037 - 2¹⁰ = 426687013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426688237) by changing a digit.

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, 4664 + ... + 29582.

It is an arithmetic number, because the mean of its divisors is an integer number (106682520).

Almost surely, 2^426688037 is an apocalyptic number.

It is an amenable number.

426688037 is a deficient number, since it is larger than the sum of its proper divisors (42043).

426688037 is a wasteful number, since it uses less digits than its factorization.

426688037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42042.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 426688037 is about 20656.4284667026. The cubic root of 426688037 is about 752.8413918035.

It can be divided in two parts, 42668 and 8037, that added together give a palindrome (50705).

The spelling of 426688037 in words is "four hundred twenty-six million, six hundred eighty-eight thousand, thirty-seven".