1429447 has 4 divisors (see below), whose sum is σ = 1434816. Its totient is φ = 1424080.

The previous prime is 1429423. The next prime is 1429451. The reversal of 1429447 is 7449241.

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

It is a cyclic number.

It is not a de Polignac number, because 1429447 - 2⁷ = 1429319 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2263 + ... + 2824.

It is an arithmetic number, because the mean of its divisors is an integer number (358704).

2^1429447 is an apocalyptic number.

1429447 is a deficient number, since it is larger than the sum of its proper divisors (5369).

1429447 is an equidigital number, since it uses as much as digits as its factorization.

1429447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368.

The product of its digits is 8064, while the sum is 31.

The square root of 1429447 is about 1195.5948310360. The cubic root of 1429447 is about 112.6477925894.

It can be divided in two parts, 14294 and 47, that added together give a palindrome (14341).

The spelling of 1429447 in words is "one million, four hundred twenty-nine thousand, four hundred forty-seven".