4381998972 has 36 divisors (see below), whose sum is σ = 11071683000. Its totient is φ = 1348306752.

The previous prime is 4381998967. The next prime is 4381998997. The reversal of 4381998972 is 2798991834.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078347 + ... + 1082402.

It is an arithmetic number, because the mean of its divisors is an integer number (307546750).

Almost surely, 2^4381998972 is an apocalyptic number.

It is an amenable number.

4381998972 is an abundant number, since it is smaller than the sum of its proper divisors (6689684028).

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

4381998972 is a wasteful number, since it uses less digits than its factorization.

4381998972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160782 (or 2160767 counting only the distinct ones).

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

The square root of 4381998972 is about 66196.6688890008. The cubic root of 4381998972 is about 1636.4048466737.

The spelling of 4381998972 in words is "four billion, three hundred eighty-one million, nine hundred ninety-eight thousand, nine hundred seventy-two".