3428729671 has 8 divisors (see below), whose sum is σ = 3439414784. Its totient is φ = 3418057440.

The previous prime is 3428729651. The next prime is 3428729699. The reversal of 3428729671 is 1769278243.

It is a happy number.

3428729671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3428729671 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 (3428729621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862330 + ... + 866296.

It is an arithmetic number, because the mean of its divisors is an integer number (429926848).

Almost surely, 2^3428729671 is an apocalyptic number.

3428729671 is a deficient number, since it is larger than the sum of its proper divisors (10685113).

3428729671 is a wasteful number, since it uses less digits than its factorization.

3428729671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441.

The product of its digits is 1016064, while the sum is 49.

The square root of 3428729671 is about 58555.3556132998. The cubic root of 3428729671 is about 1507.9180803825.

The spelling of 3428729671 in words is "three billion, four hundred twenty-eight million, seven hundred twenty-nine thousand, six hundred seventy-one".