803009638 has 8 divisors (see below), whose sum is σ = 1208363688. Its totient is φ = 400221744.

The previous prime is 803009629. The next prime is 803009651. The reversal of 803009638 is 836900308.

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 = 803009597 and 803009606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640756 + ... + 642007.

It is an arithmetic number, because the mean of its divisors is an integer number (151045461).

Almost surely, 2^803009638 is an apocalyptic number.

803009638 is a deficient number, since it is larger than the sum of its proper divisors (405354050).

803009638 is a wasteful number, since it uses less digits than its factorization.

803009638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283078.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 803009638 is about 28337.4246889162. The cubic root of 803009638 is about 929.4804351124.

The spelling of 803009638 in words is "eight hundred three million, nine thousand, six hundred thirty-eight".