2816042 has 4 divisors (see below), whose sum is σ = 4224066. Its totient is φ = 1408020.

The previous prime is 2816029. The next prime is 2816053. The reversal of 2816042 is 2406182.

2816042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2758921 + 57121 = 1661^2 + 239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2815999 and 2816017.

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 as a sum of consecutive naturals, namely, 704009 + ... + 704012.

2^2816042 is an apocalyptic number.

2816042 is a deficient number, since it is larger than the sum of its proper divisors (1408024).

2816042 is a wasteful number, since it uses less digits than its factorization.

2816042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408023.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2816042 is about 1678.1066712221. The cubic root of 2816042 is about 141.2146354675.

The spelling of 2816042 in words is "two million, eight hundred sixteen thousand, forty-two".