2172484686 has 8 divisors (see below), whose sum is σ = 4344969384. Its totient is φ = 724161560.

The previous prime is 2172484679. The next prime is 2172484687. The reversal of 2172484686 is 6864842712.

It is a sphenic number, since it is the product of 3 distinct primes.

2172484686 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172484687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181040385 + ... + 181040396.

It is an arithmetic number, because the mean of its divisors is an integer number (543121173).

Almost surely, 2^2172484686 is an apocalyptic number.

2172484686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2172484686 is a wasteful number, since it uses less digits than its factorization.

2172484686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362080786.

The product of its digits is 1032192, while the sum is 48.

The square root of 2172484686 is about 46609.9204676429. The cubic root of 2172484686 is about 1295.1465348015.

The spelling of 2172484686 in words is "two billion, one hundred seventy-two million, four hundred eighty-four thousand, six hundred eighty-six".