1363998 has 16 divisors (see below), whose sum is σ = 2739456. Its totient is φ = 452760.

The previous prime is 1363993. The next prime is 1364009. The reversal of 1363998 is 8993631.

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363993) 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, 2533 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (171216).

2^1363998 is an apocalyptic number.

1363998 is an abundant number, since it is smaller than the sum of its proper divisors (1375458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1363998 is a wasteful number, since it uses less digits than its factorization.

1363998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its digits is 34992, while the sum is 39.

The square root of 1363998 is about 1167.9032494175. The cubic root of 1363998 is about 110.9016253638.

The spelling of 1363998 in words is "one million, three hundred sixty-three thousand, nine hundred ninety-eight".