803640244 has 24 divisors (see below), whose sum is σ = 1569905568. Its totient is φ = 356795040.

The previous prime is 803640209. The next prime is 803640301. The reversal of 803640244 is 442046308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210487 + ... + 214270.

It is an arithmetic number, because the mean of its divisors is an integer number (65412732).

Almost surely, 2^803640244 is an apocalyptic number.

It is an amenable number.

803640244 is a deficient number, since it is larger than the sum of its proper divisors (766265324).

803640244 is a wasteful number, since it uses less digits than its factorization.

803640244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424815 (or 424813 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 803640244 is about 28348.5492397759. The cubic root of 803640244 is about 929.7236794219.

The spelling of 803640244 in words is "eight hundred three million, six hundred forty thousand, two hundred forty-four".