28460648 has 16 divisors (see below), whose sum is σ = 54239460. Its totient is φ = 13996800.

The previous prime is 28460633. The next prime is 28460671. The reversal of 28460648 is 84606482.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18335524 + 10125124 = 4282^2 + 3182^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28673 + ... + 29648.

Almost surely, 2^28460648 is an apocalyptic number.

It is an amenable number.

28460648 is a deficient number, since it is larger than the sum of its proper divisors (25778812).

28460648 is a wasteful number, since it uses less digits than its factorization.

28460648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58388 (or 58384 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 28460648 is about 5334.8522003894. The cubic root of 28460648 is about 305.3150842221.

The spelling of 28460648 in words is "twenty-eight million, four hundred sixty thousand, six hundred forty-eight".