3120340 has 24 divisors (see below), whose sum is σ = 6630120. Its totient is φ = 1233408.

The previous prime is 3120331. The next prime is 3120373. The reversal of 3120340 is 430213.

It can be written as a sum of positive squares in 4 ways, for example, as 71824 + 3048516 = 268^2 + 1746^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3120340.

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 7 ways as a sum of consecutive naturals, for example, 904 + ... + 2656.

It is an arithmetic number, because the mean of its divisors is an integer number (276255).

Almost surely, 2^3120340 is an apocalyptic number.

It is an amenable number.

3120340 is an abundant number, since it is smaller than the sum of its proper divisors (3509780).

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

3120340 is a wasteful number, since it uses less digits than its factorization.

3120340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851 (or 1849 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3120340 is about 1766.4484141916. The cubic root of 3120340 is about 146.1281791705.

Adding to 3120340 its reverse (430213), we get a palindrome (3550553).

The spelling of 3120340 in words is "three million, one hundred twenty thousand, three hundred forty".