2782042 has 8 divisors (see below), whose sum is σ = 4182336. Its totient is φ = 1387932.

The previous prime is 2782019. The next prime is 2782049. The reversal of 2782042 is 2402872.

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

It is a junction number, because it is equal to n+sod(n) for n = 2781998 and 2782016.

It is not an unprimeable number, because it can be changed into a prime (2782049) 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, 178 + ... + 2365.

It is an arithmetic number, because the mean of its divisors is an integer number (522792).

2^2782042 is an apocalyptic number.

2782042 is a deficient number, since it is larger than the sum of its proper divisors (1400294).

2782042 is a wasteful number, since it uses less digits than its factorization.

2782042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2782042 is about 1667.9454427528. The cubic root of 2782042 is about 140.6440057933.

The spelling of 2782042 in words is "two million, seven hundred eighty-two thousand, forty-two".