28989050 has 48 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 11107200.

The previous prime is 28989049. The next prime is 28989071. The reversal of 28989050 is 5098982.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 28988989 and 28989007.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161861 + ... + 162039.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 2^28989050 is an apocalyptic number.

28989050 is a deficient number, since it is larger than the sum of its proper divisors (27257350).

28989050 is a wasteful number, since it uses less digits than its factorization.

28989050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 28989050 is about 5384.1480291686. The cubic root of 28989050 is about 307.1930088854.

The spelling of 28989050 in words is "twenty-eight million, nine hundred eighty-nine thousand, fifty".