28498892 has 12 divisors (see below), whose sum is σ = 50232840. Its totient is φ = 14146656.

The previous prime is 28498871. The next prime is 28498931. The reversal of 28498892 is 29889482.

It is a self number, because there is not a number n which added to its sum of digits gives 28498892.

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, 25073 + ... + 26184.

It is an arithmetic number, because the mean of its divisors is an integer number (4186070).

Almost surely, 2^28498892 is an apocalyptic number.

It is an amenable number.

28498892 is a deficient number, since it is larger than the sum of its proper divisors (21733948).

28498892 is a wasteful number, since it uses less digits than its factorization.

28498892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51400 (or 51398 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 28498892 is about 5338.4353512991. The cubic root of 28498892 is about 305.4517787426.

The spelling of 28498892 in words is "twenty-eight million, four hundred ninety-eight thousand, eight hundred ninety-two".