8649373 has 4 divisors (see below), whose sum is σ = 8791228. Its totient is φ = 8507520.

The previous prime is 8649371. The next prime is 8649383. The reversal of 8649373 is 3739468.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1397124 + 7252249 = 1182^2 + 2693^2 .

It is a cyclic number.

It is not a de Polignac number, because 8649373 - 2¹ = 8649371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649371) 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, 70836 + ... + 70957.

It is an arithmetic number, because the mean of its divisors is an integer number (2197807).

Almost surely, 2^8649373 is an apocalyptic number.

It is an amenable number.

8649373 is a deficient number, since it is larger than the sum of its proper divisors (141855).

8649373 is a wasteful number, since it uses less digits than its factorization.

8649373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141854.

The product of its digits is 108864, while the sum is 40.

The square root of 8649373 is about 2940.9816388410. The cubic root of 8649373 is about 205.2712886579.

The spelling of 8649373 in words is "eight million, six hundred forty-nine thousand, three hundred seventy-three".