1363992 has 64 divisors (see below), whose sum is σ = 4078080. Its totient is φ = 371712.

The previous prime is 1363979. The next prime is 1363993. The reversal of 1363992 is 2993631.

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3688 + ... + 4040.

It is an arithmetic number, because the mean of its divisors is an integer number (63720).

2^1363992 is an apocalyptic number.

1363992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1363992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2039040).

1363992 is an abundant number, since it is smaller than the sum of its proper divisors (2714088).

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

1363992 is a wasteful number, since it uses less digits than its factorization.

1363992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 388 counting only the distinct ones).

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

The square root of 1363992 is about 1167.9006807088. The cubic root of 1363992 is about 110.9014627510.

It can be divided in two parts, 13639 and 92, that added together give a palindrome (13731).

The spelling of 1363992 in words is "one million, three hundred sixty-three thousand, nine hundred ninety-two".