9791436 has 12 divisors (see below), whose sum is σ = 22846712. Its totient is φ = 3263808.

The previous prime is 9791423. The next prime is 9791459. The reversal of 9791436 is 6341979.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 9791394 and 9791403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407965 + ... + 407988.

Almost surely, 2^9791436 is an apocalyptic number.

It is an amenable number.

9791436 is an abundant number, since it is smaller than the sum of its proper divisors (13055276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9791436 is a wasteful number, since it uses less digits than its factorization.

9791436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815960 (or 815958 counting only the distinct ones).

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

The square root of 9791436 is about 3129.1270348134. The cubic root of 9791436 is about 213.9351420769.

It can be divided in two parts, 979 and 1436, that added together give a triangular number (2415 = T₆₉).

The spelling of 9791436 in words is "nine million, seven hundred ninety-one thousand, four hundred thirty-six".