3147469 has 8 divisors (see below), whose sum is σ = 3409560. Its totient is φ = 2888256.

The previous prime is 3147467. The next prime is 3147497. The reversal of 3147469 is 9647413.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1790244 + 1357225 = 1338^2 + 1165^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3147469 - 2¹ = 3147467 is a prime.

It is a super-2 number, since 2×3147469² = 19813122211922, which contains 22 as substring.

It is a Duffinian number.

3147469 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147467) 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, 1947 + ... + 3175.

It is an arithmetic number, because the mean of its divisors is an integer number (426195).

Almost surely, 2^3147469 is an apocalyptic number.

It is an amenable number.

3147469 is a deficient number, since it is larger than the sum of its proper divisors (262091).

3147469 is a wasteful number, since it uses less digits than its factorization.

3147469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439.

The product of its digits is 18144, while the sum is 34.

The square root of 3147469 is about 1774.1107631712. The cubic root of 3147469 is about 146.5504491420.

Adding to 3147469 its product of digits (18144), we get a palindrome (3165613).

The spelling of 3147469 in words is "three million, one hundred forty-seven thousand, four hundred sixty-nine".