9970687 has 8 divisors (see below), whose sum is σ = 11113200. Its totient is φ = 8889984.

The previous prime is 9970679. The next prime is 9970699. The reversal of 9970687 is 7860799.

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

It is a cyclic number.

It is not a de Polignac number, because 9970687 - 2³ = 9970679 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9970607) 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, 15112 + ... + 15757.

It is an arithmetic number, because the mean of its divisors is an integer number (1389150).

Almost surely, 2^9970687 is an apocalyptic number.

9970687 is a deficient number, since it is larger than the sum of its proper divisors (1142513).

9970687 is a wasteful number, since it uses less digits than its factorization.

9970687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30905.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 9970687 is about 3157.6394664369. The cubic root of 9970687 is about 215.2327531649.

The spelling of 9970687 in words is "nine million, nine hundred seventy thousand, six hundred eighty-seven".