803361997 has 4 divisors (see below), whose sum is σ = 803989440. Its totient is φ = 802734556.

The previous prime is 803361967. The next prime is 803362057. The reversal of 803361997 is 799163308.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-803361997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803361967) 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, 311797 + ... + 314362.

It is an arithmetic number, because the mean of its divisors is an integer number (200997360).

Almost surely, 2^803361997 is an apocalyptic number.

It is an amenable number.

803361997 is a deficient number, since it is larger than the sum of its proper divisors (627443).

803361997 is a wasteful number, since it uses less digits than its factorization.

803361997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627442.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 803361997 is about 28343.6412092730. The cubic root of 803361997 is about 929.6163666086.

The spelling of 803361997 in words is "eight hundred three million, three hundred sixty-one thousand, nine hundred ninety-seven".