2817428 has 6 divisors (see below), whose sum is σ = 4930506. Its totient is φ = 1408712.

The previous prime is 2817421. The next prime is 2817433. The reversal of 2817428 is 8247182.

It can be written as a sum of positive squares in only one way, i.e., 1567504 + 1249924 = 1252^2 + 1118^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2817394 and 2817403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2817421) 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 as a sum of consecutive naturals, namely, 352175 + ... + 352182.

It is an arithmetic number, because the mean of its divisors is an integer number (821751).

2^2817428 is an apocalyptic number.

It is an amenable number.

2817428 is a deficient number, since it is larger than the sum of its proper divisors (2113078).

2817428 is a wasteful number, since it uses less digits than its factorization.

2817428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704361 (or 704359 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 2817428 is about 1678.5195858256. The cubic root of 2817428 is about 141.2377993482.

The spelling of 2817428 in words is "two million, eight hundred seventeen thousand, four hundred twenty-eight".