28414512 has 90 divisors (see below), whose sum is σ = 92527188. Its totient is φ = 8116416.

The previous prime is 28414511. The next prime is 28414513. The reversal of 28414512 is 21541482.

It is an interprime number because it is at equal distance from previous prime (28414511) and next prime (28414513).

It is not an unprimeable number, because it can be changed into a prime (28414511) 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, 5043 + ... + 9069.

Almost surely, 2^28414512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28414512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46263594).

28414512 is an abundant number, since it is smaller than the sum of its proper divisors (64112676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28414512 is a wasteful number, since it uses less digits than its factorization.

28414512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055 (or 4039 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 28414512 is about 5330.5264280369. The cubic root of 28414512 is about 305.1500184683.

Adding to 28414512 its reverse (21541482), we get a palindrome (49955994).

The spelling of 28414512 in words is "twenty-eight million, four hundred fourteen thousand, five hundred twelve".