2773284 has 12 divisors (see below), whose sum is σ = 6471024. Its totient is φ = 924424.

The previous prime is 2773273. The next prime is 2773289. The reversal of 2773284 is 4823772.

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

It is a super-2 number, since 2×2773284² = 15382208289312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2773289) 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, 115542 + ... + 115565.

It is an arithmetic number, because the mean of its divisors is an integer number (539252).

2^2773284 is an apocalyptic number.

It is an amenable number.

2773284 is an abundant number, since it is smaller than the sum of its proper divisors (3697740).

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

2773284 is a wasteful number, since it uses less digits than its factorization.

2773284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231114 (or 231112 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 2773284 is about 1665.3179876528. The cubic root of 2773284 is about 140.4962659899.

The spelling of 2773284 in words is "two million, seven hundred seventy-three thousand, two hundred eighty-four".