9650491 has 4 divisors (see below), whose sum is σ = 9656712. Its totient is φ = 9644272.

The previous prime is 9650467. The next prime is 9650503. The reversal of 9650491 is 1940569.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9650491 - 2⁹ = 9649979 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (9650401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335 + ... + 4591.

It is an arithmetic number, because the mean of its divisors is an integer number (2414178).

Almost surely, 2^9650491 is an apocalyptic number.

9650491 is a deficient number, since it is larger than the sum of its proper divisors (6221).

9650491 is a wasteful number, since it uses less digits than its factorization.

9650491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6220.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 9650491 is about 3106.5239416428. The cubic root of 9650491 is about 212.9036645481.

The spelling of 9650491 in words is "nine million, six hundred fifty thousand, four hundred ninety-one".