9791967 has 4 divisors (see below), whose sum is σ = 13055960. Its totient is φ = 6527976.

The previous prime is 9791959. The next prime is 9791981. The reversal of 9791967 is 7691979.

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

It is not a de Polignac number, because 9791967 - 2³ = 9791959 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 (9790967) 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, 1631992 + ... + 1631997.

It is an arithmetic number, because the mean of its divisors is an integer number (3263990).

Almost surely, 2^9791967 is an apocalyptic number.

9791967 is a deficient number, since it is larger than the sum of its proper divisors (3263993).

9791967 is a wasteful number, since it uses less digits than its factorization.

9791967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263992.

The product of its digits is 214326, while the sum is 48.

The square root of 9791967 is about 3129.2118816085. The cubic root of 9791967 is about 213.9390093172.

The spelling of 9791967 in words is "nine million, seven hundred ninety-one thousand, nine hundred sixty-seven".