2828439428 has 12 divisors (see below), whose sum is σ = 4950988812. Its totient is φ = 1413871200.

The previous prime is 2828439403. The next prime is 2828439443. The reversal of 2828439428 is 8249348282.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 838565764 + 1989873664 = 28958^2 + 44608^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68423 + ... + 101678.

It is an arithmetic number, because the mean of its divisors is an integer number (412582401).

Almost surely, 2^2828439428 is an apocalyptic number.

It is an amenable number.

2828439428 is a deficient number, since it is larger than the sum of its proper divisors (2122549384).

2828439428 is a wasteful number, since it uses less digits than its factorization.

2828439428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174262 (or 174260 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 50.

The square root of 2828439428 is about 53183.0746384599. The cubic root of 2828439428 is about 1414.2156129124.

The spelling of 2828439428 in words is "two billion, eight hundred twenty-eight million, four hundred thirty-nine thousand, four hundred twenty-eight".