28740282 has 8 divisors (see below), whose sum is σ = 57480576. Its totient is φ = 9580092.

The previous prime is 28740281. The next prime is 28740287. The reversal of 28740282 is 28204782.

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

28740282 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28740281) 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, 2395018 + ... + 2395029.

It is an arithmetic number, because the mean of its divisors is an integer number (7185072).

Almost surely, 2^28740282 is an apocalyptic number.

28740282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28740282 is a wasteful number, since it uses less digits than its factorization.

28740282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790052.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 28740282 is about 5360.9963626177. The cubic root of 28740282 is about 306.3117630810.

The spelling of 28740282 in words is "twenty-eight million, seven hundred forty thousand, two hundred eighty-two".