861038448 has 40 divisors (see below), whose sum is σ = 2262057600. Its totient is φ = 282147264.

The previous prime is 861038443. The next prime is 861038471. The reversal of 861038448 is 844830168.

861038448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861038443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149188 + ... + 154851.

It is an arithmetic number, because the mean of its divisors is an integer number (56551440).

Almost surely, 2^861038448 is an apocalyptic number.

It is an amenable number.

861038448 is an abundant number, since it is smaller than the sum of its proper divisors (1401019152).

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

861038448 is a wasteful number, since it uses less digits than its factorization.

861038448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304109 (or 304103 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 861038448 is about 29343.4566470960. The cubic root of 861038448 is about 951.3511514475.

The spelling of 861038448 in words is "eight hundred sixty-one million, thirty-eight thousand, four hundred forty-eight".