8648651 has 4 divisors (see below), whose sum is σ = 9434904. Its totient is φ = 7862400.

The previous prime is 8648557. The next prime is 8648677. The reversal of 8648651 is 1568468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8648651 - 2¹⁸ = 8386507 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8648251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393110 + ... + 393131.

It is an arithmetic number, because the mean of its divisors is an integer number (2358726).

Almost surely, 2^8648651 is an apocalyptic number.

8648651 is a deficient number, since it is larger than the sum of its proper divisors (786253).

8648651 is a wasteful number, since it uses less digits than its factorization.

8648651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786252.

The product of its digits is 46080, while the sum is 38.

The square root of 8648651 is about 2940.8588881482. The cubic root of 8648651 is about 205.2655768761.

The spelling of 8648651 in words is "eight million, six hundred forty-eight thousand, six hundred fifty-one".