728884822 has 8 divisors (see below), whose sum is σ = 1094353200. Its totient is φ = 364100424.

The previous prime is 728884777. The next prime is 728884823. The reversal of 728884822 is 228488827.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728884823) 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 3 ways as a sum of consecutive naturals, for example, 168322 + ... + 172597.

It is an arithmetic number, because the mean of its divisors is an integer number (136794150).

Almost surely, 2^728884822 is an apocalyptic number.

728884822 is a deficient number, since it is larger than the sum of its proper divisors (365468378).

728884822 is a wasteful number, since it uses less digits than its factorization.

728884822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341990.

The product of its digits is 917504, while the sum is 49.

The square root of 728884822 is about 26997.8669898198. The cubic root of 728884822 is about 899.9525991496.

The spelling of 728884822 in words is "seven hundred twenty-eight million, eight hundred eighty-four thousand, eight hundred twenty-two".