28052814 has 16 divisors (see below), whose sum is σ = 56251728. Its totient is φ = 9326592.

The previous prime is 28052809. The next prime is 28052819. The reversal of 28052814 is 41825082.

It is an interprime number because it is at equal distance from previous prime (28052809) and next prime (28052819).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28052819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3507 + ... + 8270.

It is an arithmetic number, because the mean of its divisors is an integer number (3515733).

Almost surely, 2^28052814 is an apocalyptic number.

28052814 is an abundant number, since it is smaller than the sum of its proper divisors (28198914).

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

28052814 is a wasteful number, since it uses less digits than its factorization.

28052814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12179.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 28052814 is about 5296.4907249990. The cubic root of 28052814 is about 303.8496991899.

Adding to 28052814 its reverse (41825082), we get a palindrome (69877896).

The spelling of 28052814 in words is "twenty-eight million, fifty-two thousand, eight hundred fourteen".