3171429 has 6 divisors (see below), whose sum is σ = 4580966. Its totient is φ = 2114280.

The previous prime is 3171409. The next prime is 3171431. The reversal of 3171429 is 9241713.

It can be written as a sum of positive squares in only one way, i.e., 1695204 + 1476225 = 1302^2 + 1215^2 .

It is not a de Polignac number, because 3171429 - 2¹⁵ = 3138661 is a prime.

It is a Duffinian number.

3171429 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3171409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176182 + ... + 176199.

Almost surely, 2^3171429 is an apocalyptic number.

It is an amenable number.

3171429 is a deficient number, since it is larger than the sum of its proper divisors (1409537).

3171429 is a wasteful number, since it uses less digits than its factorization.

3171429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352387 (or 352384 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 3171429 is about 1780.8506394417. The cubic root of 3171429 is about 146.9213795886.

It can be divided in two parts, 3171 and 429, that added together give a square (3600 = 60²).

The spelling of 3171429 in words is "three million, one hundred seventy-one thousand, four hundred twenty-nine".