9397940 has 48 divisors (see below), whose sum is σ = 21155904. Its totient is φ = 3494400.

The previous prime is 9397939. The next prime is 9397981. The reversal of 9397940 is 497939.

9397940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44435 + ... + 44645.

It is an arithmetic number, because the mean of its divisors is an integer number (440748).

Almost surely, 2^9397940 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 9397940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10577952).

9397940 is an abundant number, since it is smaller than the sum of its proper divisors (11757964).

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

9397940 is a wasteful number, since it uses less digits than its factorization.

9397940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 9397940 is about 3065.6059759858. The cubic root of 9397940 is about 211.0300115289.

The spelling of 9397940 in words is "nine million, three hundred ninety-seven thousand, nine hundred forty".