28276058 has 4 divisors (see below), whose sum is σ = 42414090. Its totient is φ = 14138028.

The previous prime is 28276051. The next prime is 28276067. The reversal of 28276058 is 85067282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85067282 = 2 ⋅42533641.

It can be written as a sum of positive squares in only one way, i.e., 27321529 + 954529 = 5227^2 + 977^2 .

It is not an unprimeable number, because it can be changed into a prime (28276051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7069013 + ... + 7069016.

Almost surely, 2^28276058 is an apocalyptic number.

28276058 is a deficient number, since it is larger than the sum of its proper divisors (14138032).

28276058 is a wasteful number, since it uses less digits than its factorization.

28276058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14138031.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 28276058 is about 5317.5236717856. The cubic root of 28276058 is about 304.6535814252.

The spelling of 28276058 in words is "twenty-eight million, two hundred seventy-six thousand, fifty-eight".