9970971 has 8 divisors (see below), whose sum is σ = 13338624. Its totient is φ = 6625320.

The previous prime is 9970951. The next prime is 9970981. The reversal of 9970971 is 1790799.

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

It is not a de Polignac number, because 9970971 - 2⁶ = 9970907 is a prime.

It is an Ulam number.

9970971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9970901) 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, 4411 + ... + 6276.

It is an arithmetic number, because the mean of its divisors is an integer number (1667328).

Almost surely, 2^9970971 is an apocalyptic number.

9970971 is a deficient number, since it is larger than the sum of its proper divisors (3367653).

9970971 is a wasteful number, since it uses less digits than its factorization.

9970971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001.

The product of its (nonzero) digits is 35721, while the sum is 42.

The square root of 9970971 is about 3157.6844364186. The cubic root of 9970971 is about 215.2347966724.

The spelling of 9970971 in words is "nine million, nine hundred seventy thousand, nine hundred seventy-one".