9943140 has 24 divisors (see below), whose sum is σ = 27840960. Its totient is φ = 2651488.

The previous prime is 9943139. The next prime is 9943159. The reversal of 9943140 is 413499.

9943140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 9943098 and 9943107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82800 + ... + 82919.

It is an arithmetic number, because the mean of its divisors is an integer number (1160040).

Almost surely, 2^9943140 is an apocalyptic number.

It is an amenable number.

9943140 is an abundant number, since it is smaller than the sum of its proper divisors (17897820).

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

9943140 is a wasteful number, since it uses less digits than its factorization.

9943140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165731 (or 165729 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 9943140 is about 3153.2744885278. The cubic root of 9943140 is about 215.0343554258.

The spelling of 9943140 in words is "nine million, nine hundred forty-three thousand, one hundred forty".