28048460 has 24 divisors (see below), whose sum is σ = 64256976. Its totient is φ = 10199360.

The previous prime is 28048451. The next prime is 28048483. The reversal of 28048460 is 6484082.

It is a super-2 number, since 2×28048460² = 1573432216743200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63527 + ... + 63966.

It is an arithmetic number, because the mean of its divisors is an integer number (2677374).

Almost surely, 2^28048460 is an apocalyptic number.

28048460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28048460 is an abundant number, since it is smaller than the sum of its proper divisors (36208516).

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

28048460 is a wasteful number, since it uses less digits than its factorization.

28048460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127513 (or 127511 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 28048460 is about 5296.0796821800. The cubic root of 28048460 is about 303.8339784849.

The spelling of 28048460 in words is "twenty-eight million, forty-eight thousand, four hundred sixty".