3992831697 has 4 divisors (see below), whose sum is σ = 5323775600. Its totient is φ = 2661887796.

The previous prime is 3992831681. The next prime is 3992831753. The reversal of 3992831697 is 7961382993.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3992831697 - 2⁴ = 3992831681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3992831197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665471947 + ... + 665471952.

It is an arithmetic number, because the mean of its divisors is an integer number (1330943900).

Almost surely, 2^3992831697 is an apocalyptic number.

It is an amenable number.

3992831697 is a deficient number, since it is larger than the sum of its proper divisors (1330943903).

3992831697 is a wasteful number, since it uses less digits than its factorization.

3992831697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330943902.

The product of its digits is 4408992, while the sum is 57.

The square root of 3992831697 is about 63188.8573800793. The cubic root of 3992831697 is about 1586.4522373161.

The spelling of 3992831697 in words is "three billion, nine hundred ninety-two million, eight hundred thirty-one thousand, six hundred ninety-seven".