2779284 has 12 divisors (see below), whose sum is σ = 6485024. Its totient is φ = 926424.

The previous prime is 2779277. The next prime is 2779289. The reversal of 2779284 is 4829772.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2779289) 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, 115792 + ... + 115815.

2^2779284 is an apocalyptic number.

It is an amenable number.

2779284 is an abundant number, since it is smaller than the sum of its proper divisors (3705740).

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

2779284 is a wasteful number, since it uses less digits than its factorization.

2779284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231614 (or 231612 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 2779284 is about 1667.1184720949. The cubic root of 2779284 is about 140.5975142331.

The spelling of 2779284 in words is "two million, seven hundred seventy-nine thousand, two hundred eighty-four".