2768438 has 4 divisors (see below), whose sum is σ = 4152660. Its totient is φ = 1384218.

The previous prime is 2768431. The next prime is 2768449. The reversal of 2768438 is 8348672.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692108 + ... + 692111.

It is an arithmetic number, because the mean of its divisors is an integer number (1038165).

2^2768438 is an apocalyptic number.

2768438 is a deficient number, since it is larger than the sum of its proper divisors (1384222).

2768438 is a wasteful number, since it uses less digits than its factorization.

2768438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384221.

The product of its digits is 64512, while the sum is 38.

The square root of 2768438 is about 1663.8623741163. The cubic root of 2768438 is about 140.4143845025.

The spelling of 2768438 in words is "two million, seven hundred sixty-eight thousand, four hundred thirty-eight".