9393940 has 24 divisors (see below), whose sum is σ = 19968480. Its totient is φ = 3711648.

The previous prime is 9393929. The next prime is 9393949. The reversal of 9393940 is 493939.

9393940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9393940² = 176492217447200, 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 9393940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9393949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170 + ... + 4489.

It is an arithmetic number, because the mean of its divisors is an integer number (832020).

Almost surely, 2^9393940 is an apocalyptic number.

It is an amenable number.

9393940 is an abundant number, since it is smaller than the sum of its proper divisors (10574540).

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

9393940 is a wasteful number, since it uses less digits than its factorization.

9393940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751 (or 5749 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 9393940 is about 3064.9535069883. The cubic root of 9393940 is about 211.0000673839. Note that the first 4 decimals are identical.

The spelling of 9393940 in words is "nine million, three hundred ninety-three thousand, nine hundred forty".