3972938488 has 48 divisors (see below), whose sum is σ = 8257391280. Its totient is φ = 1788306432.

The previous prime is 3972938483. The next prime is 3972938503. The reversal of 3972938488 is 8848392793.

It is a super-2 number, since 2×3972938488² = 31568480458863452288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972938483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15820 + ... + 90532.

It is an arithmetic number, because the mean of its divisors is an integer number (172028985).

Almost surely, 2^3972938488 is an apocalyptic number.

It is an amenable number.

3972938488 is an abundant number, since it is smaller than the sum of its proper divisors (4284452792).

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

3972938488 is a wasteful number, since it uses less digits than its factorization.

3972938488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74776 (or 74755 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 61.

The square root of 3972938488 is about 63031.2500907288. The cubic root of 3972938488 is about 1583.8131592276.

The spelling of 3972938488 in words is "three billion, nine hundred seventy-two million, nine hundred thirty-eight thousand, four hundred eighty-eight".