9972349 has 4 divisors (see below), whose sum is σ = 9979200. Its totient is φ = 9965500.

The previous prime is 9972343. The next prime is 9972377. The reversal of 9972349 is 9432799.

9972349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9972349 - 2⁹ = 9971837 is a prime.

It is a d-powerful number, because it can be written as 9 + 9² + 7⁸ + 2⁵ + 3⁸ + 4¹¹ + 9⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9972343) 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, 277 + ... + 4474.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^9972349 is an apocalyptic number.

It is an amenable number.

9972349 is a deficient number, since it is larger than the sum of its proper divisors (6851).

9972349 is a wasteful number, since it uses less digits than its factorization.

9972349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6850.

The product of its digits is 122472, while the sum is 43.

The square root of 9972349 is about 3157.9026267445. The cubic root of 9972349 is about 215.2447114502.

The spelling of 9972349 in words is "nine million, nine hundred seventy-two thousand, three hundred forty-nine".