8653949 has 4 divisors (see below), whose sum is σ = 9109440. Its totient is φ = 8198460.

The previous prime is 8653937. The next prime is 8653963. The reversal of 8653949 is 9493568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8653949 - 2¹² = 8649853 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 (8653549) 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, 227717 + ... + 227754.

It is an arithmetic number, because the mean of its divisors is an integer number (2277360).

Almost surely, 2^8653949 is an apocalyptic number.

It is an amenable number.

8653949 is a deficient number, since it is larger than the sum of its proper divisors (455491).

8653949 is a wasteful number, since it uses less digits than its factorization.

8653949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455490.

The product of its digits is 233280, while the sum is 44.

The square root of 8653949 is about 2941.7595075057. The cubic root of 8653949 is about 205.3074822570.

The spelling of 8653949 in words is "eight million, six hundred fifty-three thousand, nine hundred forty-nine".