402630117 has 4 divisors (see below), whose sum is σ = 536840160. Its totient is φ = 268420076.

The previous prime is 402630103. The next prime is 402630143. The reversal of 402630117 is 711036204.

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.

It is a cyclic number.

It is not a de Polignac number, because 402630117 - 2¹⁰ = 402629093 is a prime.

It is a super-2 number, since 2×402630117² = 324222022230867378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402630517) 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, 67105017 + ... + 67105022.

It is an arithmetic number, because the mean of its divisors is an integer number (134210040).

Almost surely, 2^402630117 is an apocalyptic number.

It is an amenable number.

402630117 is a deficient number, since it is larger than the sum of its proper divisors (134210043).

402630117 is a wasteful number, since it uses less digits than its factorization.

402630117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134210042.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 402630117 is about 20065.6451927168. The cubic root of 402630117 is about 738.4176787544.

It can be divided in two parts, 4026 and 30117, that added together give a palindrome (34143).

The spelling of 402630117 in words is "four hundred two million, six hundred thirty thousand, one hundred seventeen".