2164460984 has 24 divisors (see below), whose sum is σ = 4638876840. Its totient is φ = 927476928.

The previous prime is 2164460983. The next prime is 2164460989. The reversal of 2164460984 is 4890644612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164460983) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 345044 + ... + 351260.

It is an arithmetic number, because the mean of its divisors is an integer number (193286535).

Almost surely, 2^2164460984 is an apocalyptic number.

It is an amenable number.

2164460984 is an abundant number, since it is smaller than the sum of its proper divisors (2474415856).

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

2164460984 is an frugal number, since it uses more digits than its factorization.

2164460984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12447 (or 6226 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 2164460984 is about 46523.7679471472. The cubic root of 2164460984 is about 1293.5501001204.

It can be divided in two parts, 21644 and 60984, that added together give a palindrome (82628).

The spelling of 2164460984 in words is "two billion, one hundred sixty-four million, four hundred sixty thousand, nine hundred eighty-four".