1984170966 has 24 divisors (see below), whose sum is σ = 3991021944. Its totient is φ = 657631680.

The previous prime is 1984170919. The next prime is 1984170967. The reversal of 1984170966 is 6690714891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984170967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187086 + ... + 197406.

It is an arithmetic number, because the mean of its divisors is an integer number (166292581).

Almost surely, 2^1984170966 is an apocalyptic number.

1984170966 is an abundant number, since it is smaller than the sum of its proper divisors (2006850978).

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

1984170966 is a wasteful number, since it uses less digits than its factorization.

1984170966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10684 (or 10505 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 1984170966 is about 44544.0340113017. The cubic root of 1984170966 is about 1256.5883532858.

The spelling of 1984170966 in words is "one billion, nine hundred eighty-four million, one hundred seventy thousand, nine hundred sixty-six".