28834442 has 36 divisors (see below), whose sum is σ = 54512406. Its totient is φ = 11400480.

The previous prime is 28834441. The next prime is 28834459. The reversal of 28834442 is 24443882.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4618201 + 24216241 = 2149^2 + 4921^2 .

It is not an unprimeable number, because it can be changed into a prime (28834441) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15692 + ... + 17432.

Almost surely, 2^28834442 is an apocalyptic number.

28834442 is a deficient number, since it is larger than the sum of its proper divisors (25677964).

28834442 is a wasteful number, since it uses less digits than its factorization.

28834442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1763 counting only the distinct ones).

The product of its digits is 49152, while the sum is 35.

The square root of 28834442 is about 5369.7711310632. The cubic root of 28834442 is about 306.6459151575.

The spelling of 28834442 in words is "twenty-eight million, eight hundred thirty-four thousand, four hundred forty-two".