3972514660 has 12 divisors (see below), whose sum is σ = 8342280828. Its totient is φ = 1589005856.

The previous prime is 3972514633. The next prime is 3972514673. The reversal of 3972514660 is 664152793.

It can be written as a sum of positive squares in 2 ways, for example, as 527529024 + 3444985636 = 22968^2 + 58694^2 .

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 3 ways as a sum of consecutive naturals, for example, 99312847 + ... + 99312886.

It is an arithmetic number, because the mean of its divisors is an integer number (695190069).

Almost surely, 2^3972514660 is an apocalyptic number.

It is an amenable number.

3972514660 is an abundant number, since it is smaller than the sum of its proper divisors (4369766168).

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

3972514660 is a wasteful number, since it uses less digits than its factorization.

3972514660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198625742 (or 198625740 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 3972514660 is about 63027.8879544603. The cubic root of 3972514660 is about 1583.7568375036.

The spelling of 3972514660 in words is "three billion, nine hundred seventy-two million, five hundred fourteen thousand, six hundred sixty".