8136648 has 48 divisors (see below), whose sum is σ = 23734620. Its totient is φ = 2503296.

The previous prime is 8136637. The next prime is 8136649. The reversal of 8136648 is 8466318.

It is a happy number.

8136648 is a `hidden beast` number, since 8 + 1 + 3 + 6 + 648 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6441444 + 1695204 = 2538^2 + 1302^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (8136649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3411 + ... + 5282.

Almost surely, 2^8136648 is an apocalyptic number.

It is an amenable number.

8136648 is an abundant number, since it is smaller than the sum of its proper divisors (15597972).

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

8136648 is a wasteful number, since it uses less digits than its factorization.

8136648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8718 (or 8711 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 8136648 is about 2852.4810253532. The cubic root of 8136648 is about 201.1323105988.

The spelling of 8136648 in words is "eight million, one hundred thirty-six thousand, six hundred forty-eight".