8634142 has 16 divisors (see below), whose sum is σ = 14458752. Its totient is φ = 3832920.

The previous prime is 8634139. The next prime is 8634161. The reversal of 8634142 is 2414368.

It is a self number, because there is not a number n which added to its sum of digits gives 8634142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3618 + ... + 5509.

It is an arithmetic number, because the mean of its divisors is an integer number (903672).

Almost surely, 2^8634142 is an apocalyptic number.

8634142 is a deficient number, since it is larger than the sum of its proper divisors (5824610).

8634142 is a wasteful number, since it uses less digits than its factorization.

8634142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9183.

The product of its digits is 4608, while the sum is 28.

The square root of 8634142 is about 2938.3910563436. The cubic root of 8634142 is about 205.1507279353.

It can be divided in two parts, 863 and 4142, that added together give a palindrome (5005).

The spelling of 8634142 in words is "eight million, six hundred thirty-four thousand, one hundred forty-two".