28712414 has 8 divisors (see below), whose sum is σ = 43408128. Its totient is φ = 14243040.

The previous prime is 28712413. The next prime is 28712419. The reversal of 28712414 is 41421782.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28712413) 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, 56267 + ... + 56774.

It is an arithmetic number, because the mean of its divisors is an integer number (5426016).

Almost surely, 2^28712414 is an apocalyptic number.

28712414 is a deficient number, since it is larger than the sum of its proper divisors (14695714).

28712414 is a wasteful number, since it uses less digits than its factorization.

28712414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113170.

The product of its digits is 3584, while the sum is 29.

The square root of 28712414 is about 5358.3965885328. The cubic root of 28712414 is about 306.2127260480.

The spelling of 28712414 in words is "twenty-eight million, seven hundred twelve thousand, four hundred fourteen".