966945820 has 12 divisors (see below), whose sum is σ = 2030586264. Its totient is φ = 386778320.

The previous prime is 966945779. The next prime is 966945823. The reversal of 966945820 is 28549669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966945823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24173626 + ... + 24173665.

It is an arithmetic number, because the mean of its divisors is an integer number (169215522).

Almost surely, 2^966945820 is an apocalyptic number.

It is an amenable number.

966945820 is an abundant number, since it is smaller than the sum of its proper divisors (1063640444).

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

966945820 is a wasteful number, since it uses less digits than its factorization.

966945820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48347300 (or 48347298 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 966945820 is about 31095.7524430588. The cubic root of 966945820 is about 988.8582627294.

The spelling of 966945820 in words is "nine hundred sixty-six million, nine hundred forty-five thousand, eight hundred twenty".