28649834 has 16 divisors (see below), whose sum is σ = 45545280. Its totient is φ = 13478400.

The previous prime is 28649827. The next prime is 28649861. The reversal of 28649834 is 43894682.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3242 + ... + 8234.

It is an arithmetic number, because the mean of its divisors is an integer number (2846580).

Almost surely, 2^28649834 is an apocalyptic number.

28649834 is a deficient number, since it is larger than the sum of its proper divisors (16895446).

28649834 is a wasteful number, since it uses less digits than its factorization.

28649834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165.

The product of its digits is 331776, while the sum is 44.

The square root of 28649834 is about 5352.5539698353. The cubic root of 28649834 is about 305.9900960811.

The spelling of 28649834 in words is "twenty-eight million, six hundred forty-nine thousand, eight hundred thirty-four".