3987695292 has 48 divisors (see below), whose sum is σ = 10976888832. Its totient is φ = 1102587840.

The previous prime is 3987695279. The next prime is 3987695293. The reversal of 3987695292 is 2925967893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987695293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763083 + ... + 768290.

It is an arithmetic number, because the mean of its divisors is an integer number (228685184).

Almost surely, 2^3987695292 is an apocalyptic number.

It is an amenable number.

3987695292 is an abundant number, since it is smaller than the sum of its proper divisors (6989193540).

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

3987695292 is a wasteful number, since it uses less digits than its factorization.

3987695292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531418 (or 1531416 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The square root of 3987695292 is about 63148.2010195065. The cubic root of 3987695292 is about 1585.7716712012.

The spelling of 3987695292 in words is "three billion, nine hundred eighty-seven million, six hundred ninety-five thousand, two hundred ninety-two".