861376230 has 384 divisors, whose sum is σ = 2898395136. Its totient is φ = 174182400.

The previous prime is 861376133. The next prime is 861376273. The reversal of 861376230 is 32673168.

It is a happy number.

861376230 is a `hidden beast` number, since 8 + 613 + 7 + 6 + 2 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6782427 + ... + 6782553.

It is an arithmetic number, because the mean of its divisors is an integer number (7547904).

Almost surely, 2^861376230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 861376230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449197568).

861376230 is an abundant number, since it is smaller than the sum of its proper divisors (2037018906).

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

861376230 is a wasteful number, since it uses less digits than its factorization.

861376230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 861376230 is about 29349.2117440997. The cubic root of 861376230 is about 951.4755389563.

The spelling of 861376230 in words is "eight hundred sixty-one million, three hundred seventy-six thousand, two hundred thirty".