2197938984 has 16 divisors (see below), whose sum is σ = 5494847520. Its totient is φ = 732646320.

The previous prime is 2197938983. The next prime is 2197939021. The reversal of 2197938984 is 4898397912.

It is not an unprimeable number, because it can be changed into a prime (2197938983) 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 3 ways as a sum of consecutive naturals, for example, 45790372 + ... + 45790419.

It is an arithmetic number, because the mean of its divisors is an integer number (343427970).

Almost surely, 2^2197938984 is an apocalyptic number.

2197938984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2197938984 is an abundant number, since it is smaller than the sum of its proper divisors (3296908536).

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

2197938984 is a wasteful number, since it uses less digits than its factorization.

2197938984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91580800 (or 91580796 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 60.

The square root of 2197938984 is about 46882.1819458096. The cubic root of 2197938984 is about 1300.1851775660.

The spelling of 2197938984 in words is "two billion, one hundred ninety-seven million, nine hundred thirty-eight thousand, nine hundred eighty-four".