28834078 has 16 divisors (see below), whose sum is σ = 53232480. Its totient is φ = 11406816.

The previous prime is 28834073. The next prime is 28834079. The reversal of 28834078 is 87043882.

It is a super-2 number, since 2×28834078² = 1662808108220168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28834078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28834073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79033 + ... + 79396.

It is an arithmetic number, because the mean of its divisors is an integer number (3327030).

Almost surely, 2^28834078 is an apocalyptic number.

28834078 is a deficient number, since it is larger than the sum of its proper divisors (24398402).

28834078 is a wasteful number, since it uses less digits than its factorization.

28834078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158451.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 28834078 is about 5369.7372375192. The cubic root of 28834078 is about 306.6446248073.

The spelling of 28834078 in words is "twenty-eight million, eight hundred thirty-four thousand, seventy-eight".