3997192319 has 16 divisors (see below), whose sum is σ = 4107710880. Its totient is φ = 3888144000.

The previous prime is 3997192289. The next prime is 3997192321. The reversal of 3997192319 is 9132917993.

It is a happy number.

3997192319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3997192319 is a prime.

It is a super-2 number, since 2×3997192319² = 31955092870145195522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997192369) 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, 3577949 + ... + 3579065.

It is an arithmetic number, because the mean of its divisors is an integer number (256731930).

Almost surely, 2^3997192319 is an apocalyptic number.

3997192319 is a deficient number, since it is larger than the sum of its proper divisors (110518561).

3997192319 is a wasteful number, since it uses less digits than its factorization.

3997192319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690.

The product of its digits is 826686, while the sum is 53.

The square root of 3997192319 is about 63223.3526396695. The cubic root of 3997192319 is about 1587.0295553866.

The spelling of 3997192319 in words is "three billion, nine hundred ninety-seven million, one hundred ninety-two thousand, three hundred nineteen".