3969692397 has 24 divisors (see below), whose sum is σ = 6286737600. Its totient is φ = 2393772480.

The previous prime is 3969692393. The next prime is 3969692399. The reversal of 3969692397 is 7932969693.

3969692397 is a `hidden beast` number, since 396 + 9 + 6 + 9 + 239 + 7 = 666.

It is not a de Polignac number, because 3969692397 - 2² = 3969692393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969692393) 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 23 ways as a sum of consecutive naturals, for example, 81048 + ... + 120449.

It is an arithmetic number, because the mean of its divisors is an integer number (261947400).

Almost surely, 2^3969692397 is an apocalyptic number.

It is an amenable number.

3969692397 is a deficient number, since it is larger than the sum of its proper divisors (2317045203).

3969692397 is a wasteful number, since it uses less digits than its factorization.

3969692397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201713 (or 201710 counting only the distinct ones).

The product of its digits is 29760696, while the sum is 63.

The square root of 3969692397 is about 63005.4949746449. The cubic root of 3969692397 is about 1583.3816899679.

The spelling of 3969692397 in words is "three billion, nine hundred sixty-nine million, six hundred ninety-two thousand, three hundred ninety-seven".