28816534 has 8 divisors (see below), whose sum is σ = 43301448. Its totient is φ = 14382720.

The previous prime is 28816523. The next prime is 28816549. The reversal of 28816534 is 43561882.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28816493 and 28816502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11332 + ... + 13639.

It is an arithmetic number, because the mean of its divisors is an integer number (5412681).

Almost surely, 2^28816534 is an apocalyptic number.

28816534 is a deficient number, since it is larger than the sum of its proper divisors (14484914).

28816534 is a wasteful number, since it uses less digits than its factorization.

28816534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25550.

The product of its digits is 46080, while the sum is 37.

The square root of 28816534 is about 5368.1033894663. The cubic root of 28816534 is about 306.5824198847.

The spelling of 28816534 in words is "twenty-eight million, eight hundred sixteen thousand, five hundred thirty-four".