28889050 has 12 divisors (see below), whose sum is σ = 53733726. Its totient is φ = 11555600.

The previous prime is 28889041. The next prime is 28889057. The reversal of 28889050 is 5098882.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 18757561 + 10131489 = 4331^2 + 3183^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28888994 and 28889012.

It is not an unprimeable number, because it can be changed into a prime (28889057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288841 + ... + 288940.

Almost surely, 2^28889050 is an apocalyptic number.

28889050 is a deficient number, since it is larger than the sum of its proper divisors (24844676).

28889050 is a wasteful number, since it uses less digits than its factorization.

28889050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577793 (or 577788 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 28889050 is about 5374.8534863752. The cubic root of 28889050 is about 306.8393731549.

The spelling of 28889050 in words is "twenty-eight million, eight hundred eighty-nine thousand, fifty".