846404648 has 8 divisors (see below), whose sum is σ = 1587008730. Its totient is φ = 423202320.

The previous prime is 846404627. The next prime is 846404659.

846404648 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 676936324 + 169468324 = 26018^2 + 13018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 846404599 and 846404608.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 52900283 + ... + 52900298.

Almost surely, 2^846404648 is an apocalyptic number.

It is an amenable number.

846404648 is a deficient number, since it is larger than the sum of its proper divisors (740604082).

846404648 is a wasteful number, since it uses less digits than its factorization.

846404648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105800587 (or 105800583 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The square root of 846404648 is about 29093.0343553229. The cubic root of 846404648 is about 945.9307564036.

The spelling of 846404648 in words is "eight hundred forty-six million, four hundred four thousand, six hundred forty-eight".