3989174023 has 4 divisors (see below), whose sum is σ = 4117857088. Its totient is φ = 3860490960.

The previous prime is 3989173997. The next prime is 3989174029. The reversal of 3989174023 is 3204719893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3989174023 - 2²⁹ = 3452303111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989174029) 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, 64341486 + ... + 64341547.

It is an arithmetic number, because the mean of its divisors is an integer number (1029464272).

Almost surely, 2^3989174023 is an apocalyptic number.

3989174023 is a deficient number, since it is larger than the sum of its proper divisors (128683065).

3989174023 is a wasteful number, since it uses less digits than its factorization.

3989174023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128683064.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 3989174023 is about 63159.9083517384. The cubic root of 3989174023 is about 1585.9676607612.

The spelling of 3989174023 in words is "three billion, nine hundred eighty-nine million, one hundred seventy-four thousand, twenty-three".