3144740 has 24 divisors (see below), whose sum is σ = 6676152. Its totient is φ = 1244160.

The previous prime is 3144737. The next prime is 3144749. The reversal of 3144740 is 474413.

It can be written as a sum of positive squares in 4 ways, for example, as 565504 + 2579236 = 752^2 + 1606^2 .

It is not an unprimeable number, because it can be changed into a prime (3144749) by changing a digit.

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, 1130 + ... + 2750.

It is an arithmetic number, because the mean of its divisors is an integer number (278173).

Almost surely, 2^3144740 is an apocalyptic number.

It is an amenable number.

3144740 is an abundant number, since it is smaller than the sum of its proper divisors (3531412).

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

3144740 is a wasteful number, since it uses less digits than its factorization.

3144740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 3144740 is about 1773.3414786780. The cubic root of 3144740 is about 146.5080815742.

The spelling of 3144740 in words is "three million, one hundred forty-four thousand, seven hundred forty".