28029058 has 4 divisors (see below), whose sum is σ = 42043590. Its totient is φ = 14014528.

The previous prime is 28029049. The next prime is 28029097. The reversal of 28029058 is 85092082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27846729 + 182329 = 5277^2 + 427^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7007263 + ... + 7007266.

Almost surely, 2^28029058 is an apocalyptic number.

28029058 is a deficient number, since it is larger than the sum of its proper divisors (14014532).

28029058 is a wasteful number, since it uses less digits than its factorization.

28029058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14014531.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 28029058 is about 5294.2476330448. The cubic root of 28029058 is about 303.7639051592.

The spelling of 28029058 in words is "twenty-eight million, twenty-nine thousand, fifty-eight".