1329429 has 8 divisors (see below), whose sum is σ = 1778112. Its totient is φ = 883520.

The previous prime is 1329407. The next prime is 1329437. The reversal of 1329429 is 9249231.

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 1329429 - 2⁵ = 1329397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1329396 and 1329405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069 + ... + 1949.

It is an arithmetic number, because the mean of its divisors is an integer number (222264).

2^1329429 is an apocalyptic number.

It is an amenable number.

1329429 is a deficient number, since it is larger than the sum of its proper divisors (448683).

1329429 is an equidigital number, since it uses as much as digits as its factorization.

1329429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its digits is 3888, while the sum is 30.

The square root of 1329429 is about 1153.0086729943. The cubic root of 1329429 is about 109.9567047246.

The spelling of 1329429 in words is "one million, three hundred twenty-nine thousand, four hundred twenty-nine".