9790391 has 8 divisors (see below), whose sum is σ = 10678080. Its totient is φ = 8921952.

The previous prime is 9790381. The next prime is 9790397. The reversal of 9790391 is 1930979.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9790391 - 2¹⁴ = 9774007 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 (9790397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3740 + ... + 5793.

It is an arithmetic number, because the mean of its divisors is an integer number (1334760).

Almost surely, 2^9790391 is an apocalyptic number.

9790391 is a deficient number, since it is larger than the sum of its proper divisors (887689).

9790391 is a wasteful number, since it uses less digits than its factorization.

9790391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9625.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 9790391 is about 3128.9600508795. The cubic root of 9790391 is about 213.9275309980.

The spelling of 9790391 in words is "nine million, seven hundred ninety thousand, three hundred ninety-one".