1363880 has 32 divisors (see below), whose sum is σ = 3507840. Its totient is φ = 467520.

The previous prime is 1363867. The next prime is 1363883. The reversal of 1363880 is 883631.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1363883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2156 + ... + 2715.

It is an arithmetic number, because the mean of its divisors is an integer number (109620).

2^1363880 is an apocalyptic number.

1363880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1363880 is an abundant number, since it is smaller than the sum of its proper divisors (2143960).

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

1363880 is a wasteful number, since it uses less digits than its factorization.

1363880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889 (or 4885 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1363880 is about 1167.8527304416. The cubic root of 1363880 is about 110.8984272239.

Subtracting from 1363880 its reverse (883631), we obtain a square (480249 = 693²).

The spelling of 1363880 in words is "one million, three hundred sixty-three thousand, eight hundred eighty".