1363983 has 8 divisors (see below), whose sum is σ = 1831296. Its totient is φ = 903000.

The previous prime is 1363979. The next prime is 1363993. The reversal of 1363983 is 3893631.

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

It is not a de Polignac number, because 1363983 - 2² = 1363979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363913) 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, 1053 + ... + 1958.

It is an arithmetic number, because the mean of its divisors is an integer number (228912).

2^1363983 is an apocalyptic number.

1363983 is a deficient number, since it is larger than the sum of its proper divisors (467313).

1363983 is a wasteful number, since it uses less digits than its factorization.

1363983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165.

The product of its digits is 11664, while the sum is 33.

The square root of 1363983 is about 1167.8968276350. The cubic root of 1363983 is about 110.9012188308.

It can be divided in two parts, 1363 and 983, that added together give a triangular number (2346 = T₆₈).

The spelling of 1363983 in words is "one million, three hundred sixty-three thousand, nine hundred eighty-three".