28234384 has 20 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 14041760.

The previous prime is 28234373. The next prime is 28234387. The reversal of 28234384 is 48343282.

It is not an unprimeable number, because it can be changed into a prime (28234387) 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, 1564 + ... + 7675.

It is an arithmetic number, because the mean of its divisors is an integer number (2749824).

Almost surely, 2^28234384 is an apocalyptic number.

It is an amenable number.

28234384 is a deficient number, since it is larger than the sum of its proper divisors (26762096).

28234384 is a wasteful number, since it uses less digits than its factorization.

28234384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9438 (or 9432 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 28234384 is about 5313.6036735910. The cubic root of 28234384 is about 304.5038390087.

The spelling of 28234384 in words is "twenty-eight million, two hundred thirty-four thousand, three hundred eighty-four".