28050489 has 16 divisors (see below), whose sum is σ = 41811840. Its totient is φ = 18585360.

The previous prime is 28050487. The next prime is 28050497. The reversal of 28050489 is 98405082.

It is not a de Polignac number, because 28050489 - 2¹ = 28050487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28050487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399 + ... + 7619.

It is an arithmetic number, because the mean of its divisors is an integer number (2613240).

Almost surely, 2^28050489 is an apocalyptic number.

It is an amenable number.

28050489 is a deficient number, since it is larger than the sum of its proper divisors (13761351).

28050489 is a wasteful number, since it uses less digits than its factorization.

28050489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6397 (or 6391 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 28050489 is about 5296.2712355014. The cubic root of 28050489 is about 303.8413046659.

The spelling of 28050489 in words is "twenty-eight million, fifty thousand, four hundred eighty-nine".