8630109 has 6 divisors (see below), whose sum is σ = 12465726. Its totient is φ = 5753400.

The previous prime is 8630071. The next prime is 8630113. The reversal of 8630109 is 9010368.

It can be written as a sum of positive squares in only one way, i.e., 7371225 + 1258884 = 2715^2 + 1122^2 .

It is not a de Polignac number, because 8630109 - 2⁷ = 8629981 is a prime.

8630109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8630119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479442 + ... + 479459.

It is an arithmetic number, because the mean of its divisors is an integer number (2077621).

Almost surely, 2^8630109 is an apocalyptic number.

It is an amenable number.

8630109 is a deficient number, since it is larger than the sum of its proper divisors (3835617).

8630109 is a wasteful number, since it uses less digits than its factorization.

8630109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958907 (or 958904 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 8630109 is about 2937.7047162709. The cubic root of 8630109 is about 205.1187810536.

The spelling of 8630109 in words is "eight million, six hundred thirty thousand, one hundred nine".