1429705 has 8 divisors (see below), whose sum is σ = 1739592. Its totient is φ = 1127808.

The previous prime is 1429697. The next prime is 1429721. The reversal of 1429705 is 5079241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 356409 + 1073296 = 597^2 + 1036^2 .

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 1429705 - 2³ = 1429697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (217449).

2^1429705 is an apocalyptic number.

It is an amenable number.

1429705 is a deficient number, since it is larger than the sum of its proper divisors (309887).

1429705 is an equidigital number, since it uses as much as digits as its factorization.

1429705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1429705 is about 1195.7027222516. The cubic root of 1429705 is about 112.6545694250.

The spelling of 1429705 in words is "one million, four hundred twenty-nine thousand, seven hundred five".