28076260 has 12 divisors (see below), whose sum is σ = 58960188. Its totient is φ = 11230496.

The previous prime is 28076239. The next prime is 28076309. The reversal of 28076260 is 6267082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19873764 + 8202496 = 4458^2 + 2864^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701887 + ... + 701926.

It is an arithmetic number, because the mean of its divisors is an integer number (4913349).

Almost surely, 2^28076260 is an apocalyptic number.

28076260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28076260 is an abundant number, since it is smaller than the sum of its proper divisors (30883928).

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

28076260 is a wasteful number, since it uses less digits than its factorization.

28076260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403822 (or 1403820 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28076260 is about 5298.7036150364. The cubic root of 28076260 is about 303.9343261873.

The spelling of 28076260 in words is "twenty-eight million, seventy-six thousand, two hundred sixty".