9297400320 has 400 divisors, whose sum is σ = 35872313400. Its totient is φ = 2287927296.

The previous prime is 9297400313. The next prime is 9297400381. The reversal of 9297400320 is 230047929.

9297400320 is a `hidden beast` number, since 9 + 297 + 40 + 0 + 320 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2583892224 + 6713508096 = 50832^2 + 81936^2 .

It is a super-2 number, since 2×9297400320² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2693956 + ... + 2697404.

Almost surely, 2^9297400320 is an apocalyptic number.

9297400320 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 9297400320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17936156700).

9297400320 is an abundant number, since it is smaller than the sum of its proper divisors (26574913080).

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

9297400320 is a wasteful number, since it uses less digits than its factorization.

9297400320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497 (or 3472 counting only the distinct ones).

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

The square root of 9297400320 is about 96423.0279549445. The cubic root of 9297400320 is about 2102.7477500705.

The spelling of 9297400320 in words is "nine billion, two hundred ninety-seven million, four hundred thousand, three hundred twenty".