9972106 has 8 divisors (see below), whose sum is σ = 14974020. Its totient is φ = 4980768.

The previous prime is 9972103. The next prime is 9972119. The reversal of 9972106 is 6012799.

It can be written as a sum of positive squares in 2 ways, for example, as 8850625 + 1121481 = 2975^2 + 1059^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9972101) 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, 430 + ... + 4486.

Almost surely, 2^9972106 is an apocalyptic number.

9972106 is a deficient number, since it is larger than the sum of its proper divisors (5001914).

9972106 is a wasteful number, since it uses less digits than its factorization.

9972106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 9972106 is about 3157.8641516063. The cubic root of 9972106 is about 215.2429631196.

The spelling of 9972106 in words is "nine million, nine hundred seventy-two thousand, one hundred six".