2838428 has 6 divisors (see below), whose sum is σ = 4967256. Its totient is φ = 1419212.

The previous prime is 2838421. The next prime is 2838443. The reversal of 2838428 is 8248382.

It is a super-2 number, since 2×2838428² = 16113347022368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2838421) 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, 354800 + ... + 354807.

It is an arithmetic number, because the mean of its divisors is an integer number (827876).

2^2838428 is an apocalyptic number.

It is an amenable number.

2838428 is a deficient number, since it is larger than the sum of its proper divisors (2128828).

2838428 is a wasteful number, since it uses less digits than its factorization.

2838428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709611 (or 709609 counting only the distinct ones).

The product of its digits is 24576, while the sum is 35.

The square root of 2838428 is about 1684.7634848845. The cubic root of 2838428 is about 141.5878414236.

The spelling of 2838428 in words is "two million, eight hundred thirty-eight thousand, four hundred twenty-eight".