1429839 has 8 divisors (see below), whose sum is σ = 2118320. Its totient is φ = 953208.

The previous prime is 1429837. The next prime is 1429843. The reversal of 1429839 is 9389241.

It is not a de Polignac number, because 1429839 - 2¹ = 1429837 is a prime.

It is a Duffinian number.

1429839 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429837) 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, 26452 + ... + 26505.

It is an arithmetic number, because the mean of its divisors is an integer number (264790).

2^1429839 is an apocalyptic number.

1429839 is a deficient number, since it is larger than the sum of its proper divisors (688481).

1429839 is an equidigital number, since it uses as much as digits as its factorization.

1429839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52966 (or 52960 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1429839 is about 1195.7587549335. The cubic root of 1429839 is about 112.6580888552.

The spelling of 1429839 in words is "one million, four hundred twenty-nine thousand, eight hundred thirty-nine".