9943960 has 48 divisors (see below), whose sum is σ = 24243840. Its totient is φ = 3669120.

The previous prime is 9943957. The next prime is 9943993. The reversal of 9943960 is 693499.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6025 + ... + 7495.

It is an arithmetic number, because the mean of its divisors is an integer number (505080).

Almost surely, 2^9943960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9943960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12121920).

9943960 is an abundant number, since it is smaller than the sum of its proper divisors (14299880).

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

9943960 is a wasteful number, since it uses less digits than its factorization.

9943960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 9943960 is about 3153.4045094152. The cubic root of 9943960 is about 215.0402664802.

It can be divided in two parts, 99439 and 60, that added together give a palindrome (99499).

The spelling of 9943960 in words is "nine million, nine hundred forty-three thousand, nine hundred sixty".