28602255 has 16 divisors (see below), whose sum is σ = 49924224. Its totient is φ = 13867680.

The previous prime is 28602251. The next prime is 28602281. The reversal of 28602255 is 55220682.

It is not a de Polignac number, because 28602255 - 2² = 28602251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28602251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86509 + ... + 86838.

It is an arithmetic number, because the mean of its divisors is an integer number (3120264).

Almost surely, 2^28602255 is an apocalyptic number.

28602255 is a deficient number, since it is larger than the sum of its proper divisors (21321969).

28602255 is a wasteful number, since it uses less digits than its factorization.

28602255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173366.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 28602255 is about 5348.1076092390. The cubic root of 28602255 is about 305.8206155241.

It can be divided in two parts, 2860 and 2255, that added together give a palindrome (5115).

The spelling of 28602255 in words is "twenty-eight million, six hundred two thousand, two hundred fifty-five".