9276840 has 96 divisors (see below), whose sum is σ = 30649320. Its totient is φ = 2433024.

The previous prime is 9276821. The next prime is 9276847. The reversal of 9276840 is 486729.

It can be written as a sum of positive squares in 4 ways, for example, as 7322436 + 1954404 = 2706^2 + 1398^2 .

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 = 9276795 and 9276804.

It is not an unprimeable number, because it can be changed into a prime (9276847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26104 + ... + 26456.

Almost surely, 2^9276840 is an apocalyptic number.

9276840 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 9276840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15324660).

9276840 is an abundant number, since it is smaller than the sum of its proper divisors (21372480).

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

9276840 is a wasteful number, since it uses less digits than its factorization.

9276840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 9276840 is about 3045.7905377750. The cubic root of 9276840 is about 210.1196596951.

The spelling of 9276840 in words is "nine million, two hundred seventy-six thousand, eight hundred forty".