3902231980 has 72 divisors (see below), whose sum is σ = 8604396864. Its totient is φ = 1486425600.

The previous prime is 3902231953. The next prime is 3902231999. The reversal of 3902231980 is 891322093.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2866500 + ... + 2867860.

It is an arithmetic number, because the mean of its divisors is an integer number (119505512).

Almost surely, 2^3902231980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3902231980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4302198432).

3902231980 is an abundant number, since it is smaller than the sum of its proper divisors (4702164884).

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

3902231980 is a wasteful number, since it uses less digits than its factorization.

3902231980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 3902231980 is about 62467.8475697698. The cubic root of 3902231980 is about 1574.3611390656.

The spelling of 3902231980 in words is "three billion, nine hundred two million, two hundred thirty-one thousand, nine hundred eighty".