1363898 has 4 divisors (see below), whose sum is σ = 2045850. Its totient is φ = 681948.

The previous prime is 1363897. The next prime is 1363909. The reversal of 1363898 is 8983631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1181569 + 182329 = 1087^2 + 427^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1363891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340973 + ... + 340976.

2^1363898 is an apocalyptic number.

1363898 is a deficient number, since it is larger than the sum of its proper divisors (681952).

1363898 is an equidigital number, since it uses as much as digits as its factorization.

1363898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681951.

The product of its digits is 31104, while the sum is 38.

The square root of 1363898 is about 1167.8604368674. The cubic root of 1363898 is about 110.8989150877.

The spelling of 1363898 in words is "one million, three hundred sixty-three thousand, eight hundred ninety-eight".