840472604 has 6 divisors (see below), whose sum is σ = 1470827064. Its totient is φ = 420236300.

The previous prime is 840472583. The next prime is 840472609. The reversal of 840472604 is 406274048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840472609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105059072 + ... + 105059079.

It is an arithmetic number, because the mean of its divisors is an integer number (245137844).

Almost surely, 2^840472604 is an apocalyptic number.

It is an amenable number.

840472604 is a deficient number, since it is larger than the sum of its proper divisors (630354460).

840472604 is a wasteful number, since it uses less digits than its factorization.

840472604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210118155 (or 210118153 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 840472604 is about 28990.9055394963. The cubic root of 840472604 is about 943.7157153517.

The spelling of 840472604 in words is "eight hundred forty million, four hundred seventy-two thousand, six hundred four".