8744340 has 48 divisors (see below), whose sum is σ = 26712000. Its totient is φ = 2119680.

The previous prime is 8744317. The next prime is 8744413. The reversal of 8744340 is 434478.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 8744298 and 8744307.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5965 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (556500).

Almost surely, 2^8744340 is an apocalyptic number.

It is an amenable number.

8744340 is an abundant number, since it is smaller than the sum of its proper divisors (17967660).

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

8744340 is a wasteful number, since it uses less digits than its factorization.

8744340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272 (or 13270 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 8744340 is about 2957.0830221690. The cubic root of 8744340 is about 206.0198240262.

The spelling of 8744340 in words is "eight million, seven hundred forty-four thousand, three hundred forty".