8639148 has 48 divisors (see below), whose sum is σ = 24254720. Its totient is φ = 2337984.

The previous prime is 8639143. The next prime is 8639149. The reversal of 8639148 is 8419368.

It is not an unprimeable number, because it can be changed into a prime (8639143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111 + ... + 4302.

Almost surely, 2^8639148 is an apocalyptic number.

It is an amenable number.

8639148 is an abundant number, since it is smaller than the sum of its proper divisors (15615572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8639148 is a wasteful number, since it uses less digits than its factorization.

8639148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446 (or 5444 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 8639148 is about 2939.2427596236. The cubic root of 8639148 is about 205.1903684744.

It can be divided in two parts, 863 and 9148, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 8639148 in words is "eight million, six hundred thirty-nine thousand, one hundred forty-eight".