1429668 has 36 divisors (see below), whose sum is σ = 3651648. Its totient is φ = 471600.

The previous prime is 1429661. The next prime is 1429669. The reversal of 1429668 is 8669241.

1429668 is nontrivially palindromic in base 5.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1429661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5305 + ... + 5567.

2^1429668 is an apocalyptic number.

1429668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1429668 is an abundant number, since it is smaller than the sum of its proper divisors (2221980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429668 is a wasteful number, since it uses less digits than its factorization.

1429668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 419 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1429668 is about 1195.6872500784. The cubic root of 1429668 is about 112.6535976033.

The spelling of 1429668 in words is "one million, four hundred twenty-nine thousand, six hundred sixty-eight".