2858623648 has 24 divisors (see below), whose sum is σ = 5765184180. Its totient is φ = 1394449920.

The previous prime is 2858623633. The next prime is 2858623687. The reversal of 2858623648 is 8463268582.

It can be written as a sum of positive squares in 2 ways, for example, as 1922997904 + 935625744 = 43852^2 + 30588^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2858623595 and 2858623604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088103 + ... + 1090726.

Almost surely, 2^2858623648 is an apocalyptic number.

It is an amenable number.

2858623648 is an abundant number, since it is smaller than the sum of its proper divisors (2906560532).

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

2858623648 is a wasteful number, since it uses less digits than its factorization.

2858623648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178880 (or 2178872 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The square root of 2858623648 is about 53466.0981183404. The cubic root of 2858623648 is about 1419.2285116928.

The spelling of 2858623648 in words is "two billion, eight hundred fifty-eight million, six hundred twenty-three thousand, six hundred forty-eight".