1406339 has 4 divisors (see below), whose sum is σ = 1534200. Its totient is φ = 1278480.

The previous prime is 1406311. The next prime is 1406351. The reversal of 1406339 is 9336041.

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

It is a cyclic number.

It is not a de Polignac number, because 1406339 - 2¹⁶ = 1340803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63914 + ... + 63935.

It is an arithmetic number, because the mean of its divisors is an integer number (383550).

2^1406339 is an apocalyptic number.

1406339 is a deficient number, since it is larger than the sum of its proper divisors (127861).

1406339 is a wasteful number, since it uses less digits than its factorization.

1406339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127860.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1406339 is about 1185.8916476643. The cubic root of 1406339 is about 112.0374821401.

The spelling of 1406339 in words is "one million, four hundred six thousand, three hundred thirty-nine".