28834868 has 6 divisors (see below), whose sum is σ = 50461026. Its totient is φ = 14417432.

The previous prime is 28834859. The next prime is 28834879. The reversal of 28834868 is 86843882.

It can be written as a sum of positive squares in only one way, i.e., 14531344 + 14303524 = 3812^2 + 3782^2 .

It is a super-2 number, since 2×28834868² = 1662899225154848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3604355 + ... + 3604362.

It is an arithmetic number, because the mean of its divisors is an integer number (8410171).

Almost surely, 2^28834868 is an apocalyptic number.

It is an amenable number.

28834868 is a deficient number, since it is larger than the sum of its proper divisors (21626158).

28834868 is a wasteful number, since it uses less digits than its factorization.

28834868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7208721 (or 7208719 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The square root of 28834868 is about 5369.8107974118. The cubic root of 28834868 is about 306.6474252788.

The spelling of 28834868 in words is "twenty-eight million, eight hundred thirty-four thousand, eight hundred sixty-eight".