728383827 has 4 divisors (see below), whose sum is σ = 971178440. Its totient is φ = 485589216.

The previous prime is 728383801. The next prime is 728383841.

728383827 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 728383827 - 2⁸ = 728383571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728383427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121397302 + ... + 121397307.

It is an arithmetic number, because the mean of its divisors is an integer number (242794610).

Almost surely, 2^728383827 is an apocalyptic number.

728383827 is a deficient number, since it is larger than the sum of its proper divisors (242794613).

728383827 is a wasteful number, since it uses less digits than its factorization.

728383827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242794612.

The product of its digits is 903168, while the sum is 48.

The square root of 728383827 is about 26988.5869767204. The cubic root of 728383827 is about 899.7463593892.

The spelling of 728383827 in words is "seven hundred twenty-eight million, three hundred eighty-three thousand, eight hundred twenty-seven".