1429647 has 8 divisors (see below), whose sum is σ = 1915440. Its totient is φ = 948480.

The previous prime is 1429633. The next prime is 1429651. The reversal of 1429647 is 7469241.

It is a happy number.

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

It is not a de Polignac number, because 1429647 - 2⁶ = 1429583 is a prime.

It is a d-powerful number, because it can be written as 1 + 4⁹ + 2⁹ + 9³ + 6² + 4¹⁰ + 7⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429697) 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 7 ways as a sum of consecutive naturals, for example, 354 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (239430).

2^1429647 is an apocalyptic number.

1429647 is a deficient number, since it is larger than the sum of its proper divisors (485793).

1429647 is a wasteful number, since it uses less digits than its factorization.

1429647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313.

The product of its digits is 12096, while the sum is 33.

The square root of 1429647 is about 1195.6784684856. The cubic root of 1429647 is about 112.6530460214.

The spelling of 1429647 in words is "one million, four hundred twenty-nine thousand, six hundred forty-seven".