3429147 has 4 divisors (see below), whose sum is σ = 4572200. Its totient is φ = 2286096.

The previous prime is 3429131. The next prime is 3429149. The reversal of 3429147 is 7419243.

It is a happy number.

3429147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3429147 - 2⁴ = 3429131 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3429149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571522 + ... + 571527.

It is an arithmetic number, because the mean of its divisors is an integer number (1143050).

Almost surely, 2^3429147 is an apocalyptic number.

3429147 is a deficient number, since it is larger than the sum of its proper divisors (1143053).

3429147 is a wasteful number, since it uses less digits than its factorization.

3429147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143052.

The product of its digits is 6048, while the sum is 30.

The square root of 3429147 is about 1851.7956150720. The cubic root of 3429147 is about 150.7979256821.

The spelling of 3429147 in words is "three million, four hundred twenty-nine thousand, one hundred forty-seven".