861602448 has 80 divisors (see below), whose sum is σ = 2654401536. Its totient is φ = 235466880.

The previous prime is 861602419. The next prime is 861602459. The reversal of 861602448 is 844206168.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48018 + ... + 63473.

Almost surely, 2^861602448 is an apocalyptic number.

It is an amenable number.

861602448 is an abundant number, since it is smaller than the sum of its proper divisors (1792799088).

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

861602448 is a wasteful number, since it uses less digits than its factorization.

861602448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111532 (or 111526 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 861602448 is about 29353.0653935837. The cubic root of 861602448 is about 951.5588250769.

The spelling of 861602448 in words is "eight hundred sixty-one million, six hundred two thousand, four hundred forty-eight".