803720828 has 12 divisors (see below), whose sum is σ = 1408606080. Its totient is φ = 401261952.

The previous prime is 803720737. The next prime is 803720831. The reversal of 803720828 is 828027308.

It is a super-2 number, since 2×803720828² = 1291934338722011168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 803720791 and 803720800.

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, 146588 + ... + 151971.

It is an arithmetic number, because the mean of its divisors is an integer number (117383840).

Almost surely, 2^803720828 is an apocalyptic number.

It is an amenable number.

803720828 is a deficient number, since it is larger than the sum of its proper divisors (604885252).

803720828 is a wasteful number, since it uses less digits than its factorization.

803720828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299236 (or 299234 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 803720828 is about 28349.9705114485. The cubic root of 803720828 is about 929.7547540018.

The spelling of 803720828 in words is "eight hundred three million, seven hundred twenty thousand, eight hundred twenty-eight".