9972346 has 8 divisors (see below), whose sum is σ = 15474420. Its totient is φ = 4814208.

The previous prime is 9972343. The next prime is 9972377. The reversal of 9972346 is 6432799.

It can be written as a sum of positive squares in 2 ways, for example, as 9853321 + 119025 = 3139^2 + 345^2 .

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

It is a d-powerful number, because it can be written as 9² + 9⁴ + 7⁸ + 2⁵ + 3⁸ + 4¹¹ + 6 .

It is a junction number, because it is equal to n+sod(n) for n = 9972299 and 9972308.

It is not an unprimeable number, because it can be changed into a prime (9972343) 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, 85911 + ... + 86026.

Almost surely, 2^9972346 is an apocalyptic number.

9972346 is a deficient number, since it is larger than the sum of its proper divisors (5502074).

9972346 is a wasteful number, since it uses less digits than its factorization.

9972346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171968.

The product of its digits is 81648, while the sum is 40.

The square root of 9972346 is about 3157.9021517457. The cubic root of 9972346 is about 215.2446898661.

The spelling of 9972346 in words is "nine million, nine hundred seventy-two thousand, three hundred forty-six".