28047058 has 8 divisors (see below), whose sum is σ = 45306828. Its totient is φ = 12944784.

The previous prime is 28047053. The next prime is 28047067. The reversal of 28047058 is 85074082.

It can be written as a sum of positive squares in 2 ways, for example, as 27489049 + 558009 = 5243^2 + 747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28047053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539341 + ... + 539392.

Almost surely, 2^28047058 is an apocalyptic number.

28047058 is a deficient number, since it is larger than the sum of its proper divisors (17259770).

28047058 is a wasteful number, since it uses less digits than its factorization.

28047058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078748.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 28047058 is about 5295.9473184691. The cubic root of 28047058 is about 303.8289160283.

The spelling of 28047058 in words is "twenty-eight million, forty-seven thousand, fifty-eight".