1429689 has 8 divisors (see below), whose sum is σ = 1967872. Its totient is φ = 922320.

The previous prime is 1429669. The next prime is 1429697. The reversal of 1429689 is 9869241.

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

It is not a de Polignac number, because 1429689 - 2¹⁷ = 1298617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429609) 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, 7594 + ... + 7779.

It is an arithmetic number, because the mean of its divisors is an integer number (245984).

2^1429689 is an apocalyptic number.

It is an amenable number.

1429689 is a deficient number, since it is larger than the sum of its proper divisors (538183).

1429689 is a wasteful number, since it uses less digits than its factorization.

1429689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15407.

The product of its digits is 31104, while the sum is 39.

The square root of 1429689 is about 1195.6960316067. The cubic root of 1429689 is about 112.6541491798.

The spelling of 1429689 in words is "one million, four hundred twenty-nine thousand, six hundred eighty-nine".