28834 has 8 divisors (see below), whose sum is σ = 46620. Its totient is φ = 13296.

The previous prime is 28817. The next prime is 28837. The reversal of 28834 is 43882.

28834 = T₆₀ + T₆₁ + ... + T₇₂.

It can be written as a sum of positive squares in 2 ways, for example, as 21609 + 7225 = 147^2 + 85^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28799 and 28808.

It is not an unprimeable number, because it can be changed into a prime (28837) 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, 529 + ... + 580.

2²⁸⁸³⁴ is an apocalyptic number.

28834 is a deficient number, since it is larger than the sum of its proper divisors (17786).

28834 is a wasteful number, since it uses less digits than its factorization.

28834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124.

The product of its digits is 1536, while the sum is 25.

The square root of 28834 is about 169.8057713978. The cubic root of 28834 is about 30.6644348302.

It can be divided in two parts, 2 and 8834, that added together give a square (8836 = 94²).

The spelling of 28834 in words is "twenty-eight thousand, eight hundred thirty-four".