3429847 has 8 divisors (see below), whose sum is σ = 3548880. Its totient is φ = 3312960.

The previous prime is 3429821. The next prime is 3429857. The reversal of 3429847 is 7489243.

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 3429847 - 2¹¹ = 3427799 is a prime.

It is a Duffinian number.

3429847 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3429857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3123 + ... + 4075.

It is an arithmetic number, because the mean of its divisors is an integer number (443610).

Almost surely, 2^3429847 is an apocalyptic number.

3429847 is a deficient number, since it is larger than the sum of its proper divisors (119033).

3429847 is an equidigital number, since it uses as much as digits as its factorization.

3429847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073.

The product of its digits is 48384, while the sum is 37.

The square root of 3429847 is about 1851.9846111672. The cubic root of 3429847 is about 150.8081858981.

The spelling of 3429847 in words is "three million, four hundred twenty-nine thousand, eight hundred forty-seven".