2172984060 has 96 divisors (see below), whose sum is σ = 6763825152. Its totient is φ = 517628160.

The previous prime is 2172984053. The next prime is 2172984061. The reversal of 2172984060 is 604892712.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172984061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20754 + ... + 69113.

It is an arithmetic number, because the mean of its divisors is an integer number (70456512).

Almost surely, 2^2172984060 is an apocalyptic number.

2172984060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2172984060 is an abundant number, since it is smaller than the sum of its proper divisors (4590841092).

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

2172984060 is a wasteful number, since it uses less digits than its factorization.

2172984060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89923 (or 89921 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2172984060 is about 46615.2771095485. The cubic root of 2172984060 is about 1295.2457626519.

The spelling of 2172984060 in words is "two billion, one hundred seventy-two million, nine hundred eighty-four thousand, sixty".