8649974 has 16 divisors (see below), whose sum is σ = 14033088. Its totient is φ = 3983232.

The previous prime is 8649973. The next prime is 8650003. The reversal of 8649974 is 4799468.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109 + ... + 4304.

It is an arithmetic number, because the mean of its divisors is an integer number (877068).

Almost surely, 2^8649974 is an apocalyptic number.

8649974 is a deficient number, since it is larger than the sum of its proper divisors (5383114).

8649974 is a wasteful number, since it uses less digits than its factorization.

8649974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479.

The product of its digits is 435456, while the sum is 47.

The square root of 8649974 is about 2941.0838138346. The cubic root of 8649974 is about 205.2760429597.

The spelling of 8649974 in words is "eight million, six hundred forty-nine thousand, nine hundred seventy-four".