2942782 has 8 divisors (see below), whose sum is σ = 4455000. Its totient is φ = 1457784.

The previous prime is 2942767. The next prime is 2942783. The reversal of 2942782 is 2872492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942783) 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, 6532 + ... + 6967.

It is an arithmetic number, because the mean of its divisors is an integer number (556875).

2^2942782 is an apocalyptic number.

2942782 is a deficient number, since it is larger than the sum of its proper divisors (1512218).

2942782 is a wasteful number, since it uses less digits than its factorization.

2942782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13610.

The product of its digits is 16128, while the sum is 34.

The square root of 2942782 is about 1715.4538758008. The cubic root of 2942782 is about 143.3021469317.

The spelling of 2942782 in words is "two million, nine hundred forty-two thousand, seven hundred eighty-two".