2770830 has 48 divisors (see below), whose sum is σ = 7632144. Its totient is φ = 695040.

The previous prime is 2770829. The next prime is 2770841. The reversal of 2770830 is 380772.

2770830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2770794 and 2770803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625 + ... + 2435.

It is an arithmetic number, because the mean of its divisors is an integer number (159003).

2^2770830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2770830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3816072).

2770830 is an abundant number, since it is smaller than the sum of its proper divisors (4861314).

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

2770830 is a wasteful number, since it uses less digits than its factorization.

2770830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1838 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2770830 is about 1664.5810283672. The cubic root of 2770830 is about 140.4548133798.

It can be divided in two parts, 2770 and 830, that added together give a square (3600 = 60²).

The spelling of 2770830 in words is "two million, seven hundred seventy thousand, eight hundred thirty".