9958671 has 12 divisors (see below), whose sum is σ = 14719848. Its totient is φ = 6484464.

The previous prime is 9958639. The next prime is 9958681. The reversal of 9958671 is 1768599.

It is not a de Polignac number, because 9958671 - 2⁵ = 9958639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9958621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12480 + ... + 13253.

It is an arithmetic number, because the mean of its divisors is an integer number (1226654).

Almost surely, 2^9958671 is an apocalyptic number.

9958671 is a deficient number, since it is larger than the sum of its proper divisors (4761177).

9958671 is a wasteful number, since it uses less digits than its factorization.

9958671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25782 (or 25779 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 9958671 is about 3155.7362057054. The cubic root of 9958671 is about 215.1462570730.

The spelling of 9958671 in words is "nine million, nine hundred fifty-eight thousand, six hundred seventy-one".