2816438 has 4 divisors (see below), whose sum is σ = 4224660. Its totient is φ = 1408218.

The previous prime is 2816399. The next prime is 2816453. The reversal of 2816438 is 8346182.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704108 + ... + 704111.

It is an arithmetic number, because the mean of its divisors is an integer number (1056165).

2^2816438 is an apocalyptic number.

2816438 is a deficient number, since it is larger than the sum of its proper divisors (1408222).

2816438 is a wasteful number, since it uses less digits than its factorization.

2816438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408221.

The product of its digits is 9216, while the sum is 32.

The square root of 2816438 is about 1678.2246571899. The cubic root of 2816438 is about 141.2212544945.

The spelling of 2816438 in words is "two million, eight hundred sixteen thousand, four hundred thirty-eight".