2943868 has 12 divisors (see below), whose sum is σ = 5291272. Its totient is φ = 1432080.

The previous prime is 2943859. The next prime is 2943869. The reversal of 2943868 is 8683492.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2⁷ + 9⁶ + 4⁴ + 3⁷ + 8⁵ + 6⁷ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 2943868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943869) 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, 9798 + ... + 10093.

2^2943868 is an apocalyptic number.

It is an amenable number.

2943868 is a deficient number, since it is larger than the sum of its proper divisors (2347404).

2943868 is a wasteful number, since it uses less digits than its factorization.

2943868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19932 (or 19930 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 2943868 is about 1715.7703809077. The cubic root of 2943868 is about 143.3197727691.

The spelling of 2943868 in words is "two million, nine hundred forty-three thousand, eight hundred sixty-eight".