840604003 has 8 divisors (see below), whose sum is σ = 863239680. Its totient is φ = 818268360.

The previous prime is 840603971. The next prime is 840604007. The reversal of 840604003 is 300406048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 840604003 - 2⁵ = 840603971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (840604007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69325 + ... + 80542.

It is an arithmetic number, because the mean of its divisors is an integer number (107904960).

Almost surely, 2^840604003 is an apocalyptic number.

840604003 is a deficient number, since it is larger than the sum of its proper divisors (22635677).

840604003 is a wasteful number, since it uses less digits than its factorization.

840604003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150017.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 840604003 is about 28993.1716616172. The cubic root of 840604003 is about 943.7648927784.

The spelling of 840604003 in words is "eight hundred forty million, six hundred four thousand, three".