9520649 has 4 divisors (see below), whose sum is σ = 9723264. Its totient is φ = 9318036.

The previous prime is 9520631. The next prime is 9520657. The reversal of 9520649 is 9460259.

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 a de Polignac number, because none of the positive numbers 2^k-9520649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9520619) 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, 101237 + ... + 101330.

It is an arithmetic number, because the mean of its divisors is an integer number (2430816).

Almost surely, 2^9520649 is an apocalyptic number.

It is an amenable number.

9520649 is a deficient number, since it is larger than the sum of its proper divisors (202615).

9520649 is a wasteful number, since it uses less digits than its factorization.

9520649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202614.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 9520649 is about 3085.5548933701. The cubic root of 9520649 is about 211.9445164523.

The spelling of 9520649 in words is "nine million, five hundred twenty thousand, six hundred forty-nine".