8344340 has 12 divisors (see below), whose sum is σ = 17523156. Its totient is φ = 3337728.

The previous prime is 8344337. The next prime is 8344367. The reversal of 8344340 is 434438.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3556996 + 4787344 = 1886^2 + 2188^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208589 + ... + 208628.

It is an arithmetic number, because the mean of its divisors is an integer number (1460263).

Almost surely, 2^8344340 is an apocalyptic number.

It is an amenable number.

8344340 is an abundant number, since it is smaller than the sum of its proper divisors (9178816).

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

8344340 is a wasteful number, since it uses less digits than its factorization.

8344340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417226 (or 417224 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 8344340 is about 2888.6571274556. The cubic root of 8344340 is about 202.8292869431.

Adding to 8344340 its reverse (434438), we get a palindrome (8778778).

The spelling of 8344340 in words is "eight million, three hundred forty-four thousand, three hundred forty".