2765394 has 32 divisors (see below), whose sum is σ = 6229440. Its totient is φ = 909216.

The previous prime is 2765387. The next prime is 2765419. The reversal of 2765394 is 4935672.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2 + 7⁷ + 6⁸ + 5 + 3 + 9² + 4⁹ .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4174 + ... + 4790.

It is an arithmetic number, because the mean of its divisors is an integer number (194670).

2^2765394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2765394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3114720).

2765394 is an abundant number, since it is smaller than the sum of its proper divisors (3464046).

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

2765394 is a wasteful number, since it uses less digits than its factorization.

2765394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 705 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2765394 is about 1662.9473834130. The cubic root of 2765394 is about 140.3629020255.

The spelling of 2765394 in words is "two million, seven hundred sixty-five thousand, three hundred ninety-four".