845238966 has 108 divisors (see below), whose sum is σ = 2036590164. Its totient is φ = 233581920.

The previous prime is 845238943. The next prime is 845238971. The reversal of 845238966 is 669832548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 10183561 + ... + 10183643.

Almost surely, 2^845238966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845238966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1018295082).

845238966 is an abundant number, since it is smaller than the sum of its proper divisors (1191351198).

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

845238966 is a wasteful number, since it uses less digits than its factorization.

845238966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 112 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 845238966 is about 29072.9937570935. The cubic root of 845238966 is about 945.4963065834.

The spelling of 845238966 in words is "eight hundred forty-five million, two hundred thirty-eight thousand, nine hundred sixty-six".