9306240 has 128 divisors (see below), whose sum is σ = 30697920. Its totient is φ = 2396160.

The previous prime is 9306239. The next prime is 9306263. The reversal of 9306240 is 426039.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×9306240² = 173212205875200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 9306240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70975 + ... + 71105.

Almost surely, 2^9306240 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 9306240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15348960).

9306240 is an abundant number, since it is smaller than the sum of its proper divisors (21391680).

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

9306240 is a wasteful number, since it uses less digits than its factorization.

9306240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 9306240 is about 3050.6130531419. The cubic root of 9306240 is about 210.3413948106.

The spelling of 9306240 in words is "nine million, three hundred six thousand, two hundred forty".