28034450 has 12 divisors (see below), whose sum is σ = 52144170. Its totient is φ = 11213760.

The previous prime is 28034449. The next prime is 28034453. The reversal of 28034450 is 5443082.

It can be written as a sum of positive squares in 3 ways, for example, as 16248961 + 11785489 = 4031^2 + 3433^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28034453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280295 + ... + 280394.

Almost surely, 2^28034450 is an apocalyptic number.

28034450 is a deficient number, since it is larger than the sum of its proper divisors (24109720).

28034450 is a wasteful number, since it uses less digits than its factorization.

28034450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560701 (or 560696 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 28034450 is about 5294.7568404980. The cubic root of 28034450 is about 303.7833824455.

The spelling of 28034450 in words is "twenty-eight million, thirty-four thousand, four hundred fifty".