28834858 has 8 divisors (see below), whose sum is σ = 46579428. Its totient is φ = 13308384.

The previous prime is 28834853. The next prime is 28834859. The reversal of 28834858 is 85843882.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22915369 + 5919489 = 4787^2 + 2433^2 .

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 (28834853) 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, 554491 + ... + 554542.

Almost surely, 2^28834858 is an apocalyptic number.

28834858 is a deficient number, since it is larger than the sum of its proper divisors (17744570).

28834858 is a wasteful number, since it uses less digits than its factorization.

28834858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109048.

The product of its digits is 491520, while the sum is 46.

The square root of 28834858 is about 5369.8098662802. The cubic root of 28834858 is about 306.6473898301.

It can be divided in two parts, 28834 and 858, that added together give a palindrome (29692).

The spelling of 28834858 in words is "twenty-eight million, eight hundred thirty-four thousand, eight hundred fifty-eight".