28716058 has 12 divisors (see below), whose sum is σ = 50106762. Its totient is φ = 12306840.

The previous prime is 28716047. The next prime is 28716071. The reversal of 28716058 is 85061782.

It can be written as a sum of positive squares in only one way, i.e., 16999129 + 11716929 = 4123^2 + 3423^2 .

It is a super-2 number, since 2×28716058² = 1649223974118728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146413 + ... + 146608.

Almost surely, 2^28716058 is an apocalyptic number.

28716058 is a deficient number, since it is larger than the sum of its proper divisors (21390704).

28716058 is a wasteful number, since it uses less digits than its factorization.

28716058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293037 (or 293030 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 28716058 is about 5358.7366048351. The cubic root of 28716058 is about 306.2256797014.

The spelling of 28716058 in words is "twenty-eight million, seven hundred sixteen thousand, fifty-eight".