861484052 has 24 divisors (see below), whose sum is σ = 1771164192. Its totient is φ = 361461600.

The previous prime is 861484051. The next prime is 861484081. The reversal of 861484052 is 250484168.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 861483997 and 861484015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861484051) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 752474 + ... + 753617.

It is an arithmetic number, because the mean of its divisors is an integer number (73798508).

Almost surely, 2^861484052 is an apocalyptic number.

It is an amenable number.

861484052 is an abundant number, since it is smaller than the sum of its proper divisors (909680140).

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

861484052 is a wasteful number, since it uses less digits than its factorization.

861484052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506119 (or 1506117 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 861484052 is about 29351.0485672999. The cubic root of 861484052 is about 951.5152373334.

The spelling of 861484052 in words is "eight hundred sixty-one million, four hundred eighty-four thousand, fifty-two".