371860866 has 48 divisors (see below), whose sum is σ = 870959544. Its totient is φ = 113985792.

The previous prime is 371860859. The next prime is 371860877. The reversal of 371860866 is 668068173.

371860866 is a `hidden beast` number, since 37 + 1 + 8 + 608 + 6 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 72743841 + 299117025 = 8529^2 + 17295^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61950 + ... + 67686.

Almost surely, 2^371860866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 371860866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435479772).

371860866 is an abundant number, since it is smaller than the sum of its proper divisors (499098678).

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

371860866 is a wasteful number, since it uses less digits than its factorization.

371860866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035 (or 6032 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 371860866 is about 19283.6943037375. The cubic root of 371860866 is about 719.1069599201.

The spelling of 371860866 in words is "three hundred seventy-one million, eight hundred sixty thousand, eight hundred sixty-six".