3144940 has 12 divisors (see below), whose sum is σ = 6604416. Its totient is φ = 1257968.

The previous prime is 3144931. The next prime is 3144941. The reversal of 3144940 is 494413.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3144941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78604 + ... + 78643.

It is an arithmetic number, because the mean of its divisors is an integer number (550368).

Almost surely, 2^3144940 is an apocalyptic number.

It is an amenable number.

3144940 is an abundant number, since it is smaller than the sum of its proper divisors (3459476).

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

3144940 is a wasteful number, since it uses less digits than its factorization.

3144940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157256 (or 157254 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3144940 is about 1773.3978684999. The cubic root of 3144940 is about 146.5111873948.

The spelling of 3144940 in words is "three million, one hundred forty-four thousand, nine hundred forty".