9673491 has 4 divisors (see below), whose sum is σ = 12897992. Its totient is φ = 6448992.

The previous prime is 9673487. The next prime is 9673511. The reversal of 9673491 is 1943769.

9673491 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9673491 - 2² = 9673487 is a prime.

It is a Duffinian number.

9673491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9673481) 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, 1612246 + ... + 1612251.

It is an arithmetic number, because the mean of its divisors is an integer number (3224498).

Almost surely, 2^9673491 is an apocalyptic number.

9673491 is a deficient number, since it is larger than the sum of its proper divisors (3224501).

9673491 is a wasteful number, since it uses less digits than its factorization.

9673491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224500.

The product of its digits is 40824, while the sum is 39.

The square root of 9673491 is about 3110.2236254006. The cubic root of 9673491 is about 213.0726680133.

The spelling of 9673491 in words is "nine million, six hundred seventy-three thousand, four hundred ninety-one".