2765838 has 8 divisors (see below), whose sum is σ = 5531688. Its totient is φ = 921944.

The previous prime is 2765837. The next prime is 2765839. The reversal of 2765838 is 8385672.

It is an interprime number because it is at equal distance from previous prime (2765837) and next prime (2765839).

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

2765838 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2765796 and 2765805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2765831) 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, 230481 + ... + 230492.

It is an arithmetic number, because the mean of its divisors is an integer number (691461).

2^2765838 is an apocalyptic number.

2765838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2765838 is a wasteful number, since it uses less digits than its factorization.

2765838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460978.

The product of its digits is 80640, while the sum is 39.

The square root of 2765838 is about 1663.0808759648. The cubic root of 2765838 is about 140.3704136487.

The spelling of 2765838 in words is "two million, seven hundred sixty-five thousand, eight hundred thirty-eight".