3144742 has 8 divisors (see below), whose sum is σ = 4742136. Its totient is φ = 1564032.

The previous prime is 3144737. The next prime is 3144749. The reversal of 3144742 is 2474413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144749) 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, 3688 + ... + 4459.

It is an arithmetic number, because the mean of its divisors is an integer number (592767).

Almost surely, 2^3144742 is an apocalyptic number.

3144742 is a deficient number, since it is larger than the sum of its proper divisors (1597394).

3144742 is a wasteful number, since it uses less digits than its factorization.

3144742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8342.

The product of its digits is 2688, while the sum is 25.

The square root of 3144742 is about 1773.3420425851. The cubic root of 3144742 is about 146.5081126330.

The spelling of 3144742 in words is "three million, one hundred forty-four thousand, seven hundred forty-two".