426632005 has 16 divisors (see below), whose sum is σ = 520551360. Its totient is φ = 335624832.

The previous prime is 426631999. The next prime is 426632027. The reversal of 426632005 is 500236624.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 426632005 - 2¹⁷ = 426500933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71497 + ... + 77233.

It is an arithmetic number, because the mean of its divisors is an integer number (32534460).

Almost surely, 2^426632005 is an apocalyptic number.

It is an amenable number.

426632005 is a deficient number, since it is larger than the sum of its proper divisors (93919355).

426632005 is a wasteful number, since it uses less digits than its factorization.

426632005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 426632005 is about 20655.0721373710. The cubic root of 426632005 is about 752.8084363795.

Adding to 426632005 its reverse (500236624), we get a palindrome (926868629).

The spelling of 426632005 in words is "four hundred twenty-six million, six hundred thirty-two thousand, five".