847449660 has 48 divisors (see below), whose sum is σ = 2512442016. Its totient is φ = 212692992.

The previous prime is 847449653. The next prime is 847449661. The reversal of 847449660 is 66944748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847449661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414397 + ... + 416436.

It is an arithmetic number, because the mean of its divisors is an integer number (52342542).

Almost surely, 2^847449660 is an apocalyptic number.

It is an amenable number.

847449660 is an abundant number, since it is smaller than the sum of its proper divisors (1664992356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

847449660 is a wasteful number, since it uses less digits than its factorization.

847449660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830862 (or 830860 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 847449660 is about 29110.9886469010. The cubic root of 847449660 is about 946.3198935429.

The spelling of 847449660 in words is "eight hundred forty-seven million, four hundred forty-nine thousand, six hundred sixty".