1363943 has 8 divisors (see below), whose sum is σ = 1566720. Its totient is φ = 1163160.

The previous prime is 1363937. The next prime is 1363949. The reversal of 1363943 is 3493631.

It is an interprime number because it is at equal distance from previous prime (1363937) and next prime (1363949).

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

It is a cyclic number.

It is not a de Polignac number, because 1363943 - 2¹⁰ = 1362919 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 (1363949) 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, 1538 + ... + 2256.

It is an arithmetic number, because the mean of its divisors is an integer number (195840).

2^1363943 is an apocalyptic number.

1363943 is a deficient number, since it is larger than the sum of its proper divisors (202777).

1363943 is an equidigital number, since it uses as much as digits as its factorization.

1363943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its digits is 5832, while the sum is 29.

The square root of 1363943 is about 1167.8797027091. The cubic root of 1363943 is about 110.9001347283.

The spelling of 1363943 in words is "one million, three hundred sixty-three thousand, nine hundred forty-three".