28796258 has 4 divisors (see below), whose sum is σ = 43194390. Its totient is φ = 14398128.

The previous prime is 28796239. The next prime is 28796263. The reversal of 28796258 is 85269782.

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., 26759929 + 2036329 = 5173^2 + 1427^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7199063 + ... + 7199066.

Almost surely, 2^28796258 is an apocalyptic number.

28796258 is a deficient number, since it is larger than the sum of its proper divisors (14398132).

28796258 is a wasteful number, since it uses less digits than its factorization.

28796258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14398131.

The product of its digits is 483840, while the sum is 47.

The square root of 28796258 is about 5366.2144944085. The cubic root of 28796258 is about 306.5104967810.

The spelling of 28796258 in words is "twenty-eight million, seven hundred ninety-six thousand, two hundred fifty-eight".