8642630 has 16 divisors (see below), whose sum is σ = 16472160. Its totient is φ = 3253632.

The previous prime is 8642591. The next prime is 8642633. The reversal of 8642630 is 362468.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8642593 and 8642602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8642633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25250 + ... + 25589.

It is an arithmetic number, because the mean of its divisors is an integer number (1029510).

Almost surely, 2^8642630 is an apocalyptic number.

8642630 is a deficient number, since it is larger than the sum of its proper divisors (7829530).

8642630 is a wasteful number, since it uses less digits than its factorization.

8642630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50863.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 8642630 is about 2939.8350293852. The cubic root of 8642630 is about 205.2179320294.

The spelling of 8642630 in words is "eight million, six hundred forty-two thousand, six hundred thirty".