1396239 has 8 divisors (see below), whose sum is σ = 2004912. Its totient is φ = 859200.

The previous prime is 1396237. The next prime is 1396247. The reversal of 1396239 is 9326931.

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

It is not a de Polignac number, because 1396239 - 2¹ = 1396237 is a prime.

1396239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396237) 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 7 ways as a sum of consecutive naturals, for example, 17862 + ... + 17939.

It is an arithmetic number, because the mean of its divisors is an integer number (250614).

2^1396239 is an apocalyptic number.

1396239 is a deficient number, since it is larger than the sum of its proper divisors (608673).

1396239 is a wasteful number, since it uses less digits than its factorization.

1396239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35817.

The product of its digits is 8748, while the sum is 33.

The square root of 1396239 is about 1181.6255752141. The cubic root of 1396239 is about 111.7686284376.

The spelling of 1396239 in words is "one million, three hundred ninety-six thousand, two hundred thirty-nine".