28414 has 4 divisors (see below), whose sum is σ = 42624. Its totient is φ = 14206.

The previous prime is 28411. The next prime is 28429. The reversal of 28414 is 41482.

28414 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 28391 and 28400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7102 + ... + 7105.

It is an arithmetic number, because the mean of its divisors is an integer number (10656).

2²⁸⁴¹⁴ is an apocalyptic number.

28414 is a deficient number, since it is larger than the sum of its proper divisors (14210).

28414 is a wasteful number, since it uses less digits than its factorization.

28414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14209.

The product of its digits is 256, while the sum is 19.

The square root of 28414 is about 168.5645277038. The cubic root of 28414 is about 30.5148185629.

Adding to 28414 its reverse (41482), we get a palindrome (69896).

The spelling of 28414 in words is "twenty-eight thousand, four hundred fourteen".