1447429 has 2 divisors, whose sum is σ = 1447430. Its totient is φ = 1447428.

The previous prime is 1447427. The next prime is 1447441. The reversal of 1447429 is 9247441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1416100 + 31329 = 1190^2 + 177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1447429 - 2¹ = 1447427 is a prime.

Together with 1447427, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1447429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1447427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723714 + 723715.

It is an arithmetic number, because the mean of its divisors is an integer number (723715).

2^1447429 is an apocalyptic number.

It is an amenable number.

1447429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447429 is an equidigital number, since it uses as much as digits as its factorization.

1447429 is an evil number, because the sum of its binary digits is even.

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

The square root of 1447429 is about 1203.0914345967. The cubic root of 1447429 is about 113.1181837107.

The spelling of 1447429 in words is "one million, four hundred forty-seven thousand, four hundred twenty-nine".