2942816 has 24 divisors (see below), whose sum is σ = 5937624. Its totient is φ = 1434880.

The previous prime is 2942809. The next prime is 2942843. The reversal of 2942816 is 6182492.

2942816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 191 + ... + 2433.

It is an arithmetic number, because the mean of its divisors is an integer number (247401).

2^2942816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2942816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968812).

2942816 is an abundant number, since it is smaller than the sum of its proper divisors (2994808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2942816 is a wasteful number, since it uses less digits than its factorization.

2942816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294 (or 2286 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 2942816 is about 1715.4637856860. The cubic root of 2942816 is about 143.3026988192.

The spelling of 2942816 in words is "two million, nine hundred forty-two thousand, eight hundred sixteen".