3147340 has 24 divisors (see below), whose sum is σ = 7553952. Its totient is φ = 1079040.

The previous prime is 3147323. The next prime is 3147349. The reversal of 3147340 is 437413.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3147349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11101 + ... + 11380.

It is an arithmetic number, because the mean of its divisors is an integer number (314748).

Almost surely, 2^3147340 is an apocalyptic number.

It is an amenable number.

3147340 is an abundant number, since it is smaller than the sum of its proper divisors (4406612).

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

3147340 is a wasteful number, since it uses less digits than its factorization.

3147340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22497 (or 22495 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 3147340 is about 1774.0744065568. The cubic root of 3147340 is about 146.5484469760.

It can be divided in two parts, 31473 and 40, that added together give a palindrome (31513).

The spelling of 3147340 in words is "three million, one hundred forty-seven thousand, three hundred forty".