28519934 has 16 divisors (see below), whose sum is σ = 44424720. Its totient is φ = 13715520.

The previous prime is 28519927. The next prime is 28519943. The reversal of 28519934 is 43991582.

It is a junction number, because it is equal to n+sod(n) for n = 28519891 and 28519900.

It is a congruent number.

It is an unprimeable number.

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, 17369 + ... + 18939.

It is an arithmetic number, because the mean of its divisors is an integer number (2776545).

Almost surely, 2^28519934 is an apocalyptic number.

28519934 is a deficient number, since it is larger than the sum of its proper divisors (15904786).

28519934 is a wasteful number, since it uses less digits than its factorization.

28519934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915.

The product of its digits is 77760, while the sum is 41.

The square root of 28519934 is about 5340.4057898253. The cubic root of 28519934 is about 305.5269364613.

The spelling of 28519934 in words is "twenty-eight million, five hundred nineteen thousand, nine hundred thirty-four".