866932146 has 48 divisors (see below), whose sum is σ = 2032640064. Its totient is φ = 276409584.

The previous prime is 866932141. The next prime is 866932201. The reversal of 866932146 is 641239668.

It is not an unprimeable number, because it can be changed into a prime (866932141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27601 + ... + 49956.

It is an arithmetic number, because the mean of its divisors is an integer number (42346668).

Almost surely, 2^866932146 is an apocalyptic number.

866932146 is an abundant number, since it is smaller than the sum of its proper divisors (1165707918).

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

866932146 is a wasteful number, since it uses less digits than its factorization.

866932146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77597 (or 77585 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 866932146 is about 29443.7114847976. The cubic root of 866932146 is about 953.5168432765.

The spelling of 866932146 in words is "eight hundred sixty-six million, nine hundred thirty-two thousand, one hundred forty-six".