2173937988 has 24 divisors (see below), whose sum is σ = 5075179200. Its totient is φ = 724266400.

The previous prime is 2173937981. The next prime is 2173937993. The reversal of 2173937988 is 8897393712.

It is not an unprimeable number, because it can be changed into a prime (2173937981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23088 + ... + 69863.

It is an arithmetic number, because the mean of its divisors is an integer number (211465800).

Almost surely, 2^2173937988 is an apocalyptic number.

It is an amenable number.

2173937988 is an abundant number, since it is smaller than the sum of its proper divisors (2901241212).

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

2173937988 is a wasteful number, since it uses less digits than its factorization.

2173937988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94907 (or 94905 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 57.

The square root of 2173937988 is about 46625.5079114426. The cubic root of 2173937988 is about 1295.4352701689.

The spelling of 2173937988 in words is "two billion, one hundred seventy-three million, nine hundred thirty-seven thousand, nine hundred eighty-eight".