2943242 has 4 divisors (see below), whose sum is σ = 4414866. Its totient is φ = 1471620.

The previous prime is 2943229. The next prime is 2943247. The reversal of 2943242 is 2423492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2076481 + 866761 = 1441^2 + 931^2 .

It is a d-powerful number, because it can be written as 2⁹ + 9² + 4² + 3¹⁰ + 2¹⁹ + 4⁹ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2943247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735809 + ... + 735812.

2^2943242 is an apocalyptic number.

2943242 is a deficient number, since it is larger than the sum of its proper divisors (1471624).

2943242 is a wasteful number, since it uses less digits than its factorization.

2943242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471623.

The product of its digits is 3456, while the sum is 26.

The square root of 2943242 is about 1715.5879458658. The cubic root of 2943242 is about 143.3096132853.

The spelling of 2943242 in words is "two million, nine hundred forty-three thousand, two hundred forty-two".