1343985 has 8 divisors (see below), whose sum is σ = 2150400. Its totient is φ = 716784.

The previous prime is 1343983. The next prime is 1343987. The reversal of 1343985 is 5893431.

It is an interprime number because it is at equal distance from previous prime (1343983) and next prime (1343987).

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

It is not a de Polignac number, because 1343985 - 2¹ = 1343983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343983) 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, 44785 + ... + 44814.

It is an arithmetic number, because the mean of its divisors is an integer number (268800).

2^1343985 is an apocalyptic number.

1343985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1343985 is a deficient number, since it is larger than the sum of its proper divisors (806415).

1343985 is an equidigital number, since it uses as much as digits as its factorization.

1343985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89607.

The product of its digits is 12960, while the sum is 33.

The square root of 1343985 is about 1159.3036703125. The cubic root of 1343985 is about 110.3565564995.

The spelling of 1343985 in words is "one million, three hundred forty-three thousand, nine hundred eighty-five".