803872 has 12 divisors (see below), whose sum is σ = 1582686. Its totient is φ = 401920.

The previous prime is 803867. The next prime is 803893. The reversal of 803872 is 278308.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 698896 + 104976 = 836^2 + 324^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 803872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12529 + ... + 12592.

2⁸⁰³⁸⁷² is an apocalyptic number.

It is an amenable number.

803872 is a deficient number, since it is larger than the sum of its proper divisors (778814).

803872 is a wasteful number, since it uses less digits than its factorization.

803872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25131 (or 25123 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 803872 is about 896.5890920595. The cubic root of 803872 is about 92.9813042929.

The spelling of 803872 in words is "eight hundred three thousand, eight hundred seventy-two".