3147449 has 8 divisors (see below), whose sum is σ = 3241728. Its totient is φ = 3054400.

The previous prime is 3147433. The next prime is 3147451. The reversal of 3147449 is 9447413.

It is a happy number.

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 3147449 - 2⁴ = 3147433 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 (3147049) 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, 7649 + ... + 8049.

It is an arithmetic number, because the mean of its divisors is an integer number (405216).

Almost surely, 2^3147449 is an apocalyptic number.

It is an amenable number.

3147449 is a deficient number, since it is larger than the sum of its proper divisors (94279).

3147449 is a wasteful number, since it uses less digits than its factorization.

3147449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615.

The product of its digits is 12096, while the sum is 32.

The square root of 3147449 is about 1774.1051265356. The cubic root of 3147449 is about 146.5501387322.

The spelling of 3147449 in words is "three million, one hundred forty-seven thousand, four hundred forty-nine".