8649854 has 4 divisors (see below), whose sum is σ = 12974784. Its totient is φ = 4324926.

The previous prime is 8649853. The next prime is 8649857. The reversal of 8649854 is 4589468.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2162462 + ... + 2162465.

It is an arithmetic number, because the mean of its divisors is an integer number (3243696).

Almost surely, 2^8649854 is an apocalyptic number.

8649854 is a deficient number, since it is larger than the sum of its proper divisors (4324930).

8649854 is a wasteful number, since it uses less digits than its factorization.

8649854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324929.

The product of its digits is 276480, while the sum is 44.

The square root of 8649854 is about 2941.0634131212. The cubic root of 8649854 is about 205.2750936991.

It can be divided in two parts, 8649 and 854, that multiplied together give a triangular number (7386246 = T₃₈₄₃).

The spelling of 8649854 in words is "eight million, six hundred forty-nine thousand, eight hundred fifty-four".