28492512 has 24 divisors (see below), whose sum is σ = 74793096. Its totient is φ = 9497472.

The previous prime is 28492507. The next prime is 28492537. The reversal of 28492512 is 21529482.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

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, 148303 + ... + 148494.

It is an arithmetic number, because the mean of its divisors is an integer number (3116379).

Almost surely, 2^28492512 is an apocalyptic number.

It is an amenable number.

28492512 is an abundant number, since it is smaller than the sum of its proper divisors (46300584).

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

28492512 is a wasteful number, since it uses less digits than its factorization.

28492512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296810 (or 296802 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 28492512 is about 5337.8377644885. The cubic root of 28492512 is about 305.4289833793.

The spelling of 28492512 in words is "twenty-eight million, four hundred ninety-two thousand, five hundred twelve".