2943172 has 12 divisors (see below), whose sum is σ = 5374656. Its totient is φ = 1407560.

The previous prime is 2943167. The next prime is 2943173. The reversal of 2943172 is 2713492.

It is a super-2 number, since 2×2943172² = 17324522843168, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹¹ + 9³ + 4² + 3⁹ + 1 + 7⁷ + 2²¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2943172.

It is not an unprimeable number, because it can be changed into a prime (2943173) 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, 15904 + ... + 16087.

It is an arithmetic number, because the mean of its divisors is an integer number (447888).

2^2943172 is an apocalyptic number.

It is an amenable number.

2943172 is a deficient number, since it is larger than the sum of its proper divisors (2431484).

2943172 is a wasteful number, since it uses less digits than its factorization.

2943172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32018 (or 32016 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 2943172 is about 1715.5675445753. The cubic root of 2943172 is about 143.3084771513.

The spelling of 2943172 in words is "two million, nine hundred forty-three thousand, one hundred seventy-two".