8448642 has 12 divisors (see below), whose sum is σ = 18305430. Its totient is φ = 2816208.

The previous prime is 8448619. The next prime is 8448667. The reversal of 8448642 is 2468448.

8448642 is a `hidden beast` number, since 8 + 4 + 4 + 8 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4372281 + 4076361 = 2091^2 + 2019^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8448597 and 8448606.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234667 + ... + 234702.

Almost surely, 2^8448642 is an apocalyptic number.

8448642 is an abundant number, since it is smaller than the sum of its proper divisors (9856788).

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

8448642 is a wasteful number, since it uses less digits than its factorization.

8448642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469377 (or 469374 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 8448642 is about 2906.6547782631. The cubic root of 8448642 is about 203.6708938019.

The spelling of 8448642 in words is "eight million, four hundred forty-eight thousand, six hundred forty-two".