28008414 has 24 divisors (see below), whose sum is σ = 69354480. Its totient is φ = 8002368.

The previous prime is 28008397. The next prime is 28008443. The reversal of 28008414 is 41480082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111019 + ... + 111270.

It is an arithmetic number, because the mean of its divisors is an integer number (2889770).

Almost surely, 2^28008414 is an apocalyptic number.

28008414 is an abundant number, since it is smaller than the sum of its proper divisors (41346066).

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

28008414 is a wasteful number, since it uses less digits than its factorization.

28008414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222304 (or 222301 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 28008414 is about 5292.2976106791. The cubic root of 28008414 is about 303.6893106409.

Adding to 28008414 its reverse (41480082), we get a palindrome (69488496).

The spelling of 28008414 in words is "twenty-eight million, eight thousand, four hundred fourteen".