1342839 has 8 divisors (see below), whose sum is σ = 1801072. Its totient is φ = 889920.

The previous prime is 1342829. The next prime is 1342849. The reversal of 1342839 is 9382431.

It is an interprime number because it is at equal distance from previous prime (1342829) and next prime (1342849).

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

It is not a de Polignac number, because 1342839 - 2¹⁷ = 1211767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342829) 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, 694 + ... + 1779.

It is an arithmetic number, because the mean of its divisors is an integer number (225134).

2^1342839 is an apocalyptic number.

1342839 is a deficient number, since it is larger than the sum of its proper divisors (458233).

1342839 is a wasteful number, since it uses less digits than its factorization.

1342839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657.

The product of its digits is 5184, while the sum is 30.

The square root of 1342839 is about 1158.8093026896. The cubic root of 1342839 is about 110.3251810063.

The spelling of 1342839 in words is "one million, three hundred forty-two thousand, eight hundred thirty-nine".