11843958 has 32 divisors (see below), whose sum is σ = 27449856. Its totient is φ = 3336768.

The previous prime is 11843947. The next prime is 11843971. The reversal of 11843958 is 85934811.

It is a super-2 number, since 2×11843958² = 280558682211528, which contains 22 as substring.

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, 1135 + ... + 4997.

It is an arithmetic number, because the mean of its divisors is an integer number (857808).

Almost surely, 2^11843958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11843958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13724928).

11843958 is an abundant number, since it is smaller than the sum of its proper divisors (15605898).

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

11843958 is a wasteful number, since it uses less digits than its factorization.

11843958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948.

The product of its digits is 34560, while the sum is 39.

The square root of 11843958 is about 3441.5051939522. The cubic root of 11843958 is about 227.9461630350.

The spelling of 11843958 in words is "eleven million, eight hundred forty-three thousand, nine hundred fifty-eight".