9956958 has 32 divisors (see below), whose sum is σ = 22101120. Its totient is φ = 2964960.

The previous prime is 9956941. The next prime is 9956963. The reversal of 9956958 is 8596599.

It is a super-2 number, since 2×9956958² = 198282025227528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9956958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2616 + ... + 5172.

It is an arithmetic number, because the mean of its divisors is an integer number (690660).

Almost surely, 2^9956958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9956958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11050560).

9956958 is an abundant number, since it is smaller than the sum of its proper divisors (12144162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9956958 is a wasteful number, since it uses less digits than its factorization.

9956958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632.

The product of its digits is 874800, while the sum is 51.

The square root of 9956958 is about 3155.4647835145. The cubic root of 9956958 is about 215.1339205315.

The spelling of 9956958 in words is "nine million, nine hundred fifty-six thousand, nine hundred fifty-eight".