2947144 has 16 divisors (see below), whose sum is σ = 5568300. Its totient is φ = 1462272.

The previous prime is 2947127. The next prime is 2947157. The reversal of 2947144 is 4417492.

It can be written as a sum of positive squares in 2 ways, for example, as 2762244 + 184900 = 1662^2 + 430^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249 + ... + 2440.

2^2947144 is an apocalyptic number.

It is an amenable number.

2947144 is a deficient number, since it is larger than the sum of its proper divisors (2621156).

2947144 is a wasteful number, since it uses less digits than its factorization.

2947144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832 (or 2828 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 2947144 is about 1716.7247886601. The cubic root of 2947144 is about 143.3729161756.

The spelling of 2947144 in words is "two million, nine hundred forty-seven thousand, one hundred forty-four".