1429438 has 4 divisors (see below), whose sum is σ = 2144160. Its totient is φ = 714718.

The previous prime is 1429423. The next prime is 1429451. The reversal of 1429438 is 8349241.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357358 + ... + 357361.

It is an arithmetic number, because the mean of its divisors is an integer number (536040).

2^1429438 is an apocalyptic number.

1429438 is a deficient number, since it is larger than the sum of its proper divisors (714722).

1429438 is an equidigital number, since it uses as much as digits as its factorization.

1429438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714721.

The product of its digits is 6912, while the sum is 31.

The square root of 1429438 is about 1195.5910672132. The cubic root of 1429438 is about 112.6475561734.

The spelling of 1429438 in words is "one million, four hundred twenty-nine thousand, four hundred thirty-eight".