2772830 has 16 divisors (see below), whose sum is σ = 5113584. Its totient is φ = 1081920.

The previous prime is 2772829. The next prime is 2772839. The reversal of 2772830 is 382772.

It is a junction number, because it is equal to n+sod(n) for n = 2772793 and 2772802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772839) 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 7 ways as a sum of consecutive naturals, for example, 2972 + ... + 3791.

It is an arithmetic number, because the mean of its divisors is an integer number (319599).

2^2772830 is an apocalyptic number.

2772830 is a deficient number, since it is larger than the sum of its proper divisors (2340754).

2772830 is a wasteful number, since it uses less digits than its factorization.

2772830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2772830 is about 1665.1816717704. The cubic root of 2772830 is about 140.4885989322.

The spelling of 2772830 in words is "two million, seven hundred seventy-two thousand, eight hundred thirty".