2764788 has 48 divisors (see below), whose sum is σ = 7150080. Its totient is φ = 825984.

The previous prime is 2764787. The next prime is 2764789. The reversal of 2764788 is 8874672.

It is an interprime number because it is at equal distance from previous prime (2764787) and next prime (2764789).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2764787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5533 + ... + 6011.

It is an arithmetic number, because the mean of its divisors is an integer number (148960).

2^2764788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2764788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3575040).

2764788 is an abundant number, since it is smaller than the sum of its proper divisors (4385292).

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

2764788 is a wasteful number, since it uses less digits than its factorization.

2764788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 534 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 2764788 is about 1662.7651668230. The cubic root of 2764788 is about 140.3526483771.

The spelling of 2764788 in words is "two million, seven hundred sixty-four thousand, seven hundred eighty-eight".