2942864 has 20 divisors (see below), whose sum is σ = 5737356. Its totient is φ = 1462272.

The previous prime is 2942843. The next prime is 2942881. The reversal of 2942864 is 4682492.

2942864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 960400 + 1982464 = 980^2 + 1408^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2612 + ... + 3564.

2^2942864 is an apocalyptic number.

It is an amenable number.

2942864 is a deficient number, since it is larger than the sum of its proper divisors (2794492).

2942864 is a wasteful number, since it uses less digits than its factorization.

2942864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1148 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 2942864 is about 1715.4777760146. The cubic root of 2942864 is about 143.3034779474.

It can be divided in two parts, 29428 and 64, that added together give a palindrome (29492).

The spelling of 2942864 in words is "two million, nine hundred forty-two thousand, eight hundred sixty-four".