3969692372 has 24 divisors (see below), whose sum is σ = 7367683176. Its totient is φ = 1865023488.

The previous prime is 3969692369. The next prime is 3969692387. The reversal of 3969692372 is 2732969693.

It can be written as a sum of positive squares in 4 ways, for example, as 10010896 + 3959681476 = 3164^2 + 62926^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5933 + ... + 89300.

It is an arithmetic number, because the mean of its divisors is an integer number (306986799).

Almost surely, 2^3969692372 is an apocalyptic number.

It is an amenable number.

3969692372 is a deficient number, since it is larger than the sum of its proper divisors (3397990804).

3969692372 is a wasteful number, since it uses less digits than its factorization.

3969692372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95867 (or 95865 counting only the distinct ones).

The product of its digits is 6613488, while the sum is 56.

The square root of 3969692372 is about 63005.4947762495. The cubic root of 3969692372 is about 1583.3816866440.

The spelling of 3969692372 in words is "three billion, nine hundred sixty-nine million, six hundred ninety-two thousand, three hundred seventy-two".