9958945 has 8 divisors (see below), whose sum is σ = 12579840. Its totient is φ = 7547760.

The previous prime is 9958939. The next prime is 9958961. The reversal of 9958945 is 5498599.

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

It is not a de Polignac number, because 9958945 - 2³ = 9958937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52321 + ... + 52510.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^9958945 is an apocalyptic number.

9958945 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9958945 is a deficient number, since it is larger than the sum of its proper divisors (2620895).

9958945 is a wasteful number, since it uses less digits than its factorization.

9958945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104855.

The product of its digits is 583200, while the sum is 49.

The square root of 9958945 is about 3155.7796184144. The cubic root of 9958945 is about 215.1482302122.

The spelling of 9958945 in words is "nine million, nine hundred fifty-eight thousand, nine hundred forty-five".