9746939958 has 96 divisors (see below), whose sum is σ = 23456056320. Its totient is φ = 2689485120.

The previous prime is 9746939929. The next prime is 9746939981. The reversal of 9746939958 is 8599396479.

It is a junction number, because it is equal to n+sod(n) for n = 9746939892 and 9746939901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6679833 + ... + 6681291.

It is an arithmetic number, because the mean of its divisors is an integer number (244333920).

Almost surely, 2^9746939958 is an apocalyptic number.

9746939958 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9746939958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11728028160).

9746939958 is an abundant number, since it is smaller than the sum of its proper divisors (13709116362).

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

9746939958 is a wasteful number, since it uses less digits than its factorization.

9746939958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2235 counting only the distinct ones).

The product of its digits is 132269760, while the sum is 69.

The square root of 9746939958 is about 98726.5919496870. The cubic root of 9746939958 is about 2136.1058214802.

The spelling of 9746939958 in words is "nine billion, seven hundred forty-six million, nine hundred thirty-nine thousand, nine hundred fifty-eight".