9397440 has 168 divisors, whose sum is σ = 34948368. Its totient is φ = 2304000.

The previous prime is 9397429. The next prime is 9397459. The reversal of 9397440 is 447939.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9397395 and 9397404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37315 + ... + 37565.

It is an arithmetic number, because the mean of its divisors is an integer number (208026).

Almost surely, 2^9397440 is an apocalyptic number.

9397440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9397440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17474184).

9397440 is an abundant number, since it is smaller than the sum of its proper divisors (25550928).

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

9397440 is a wasteful number, since it uses less digits than its factorization.

9397440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 9397440 is about 3065.5244249557. The cubic root of 9397440 is about 211.0262689755.

The spelling of 9397440 in words is "nine million, three hundred ninety-seven thousand, four hundred forty".