1363859 has 16 divisors (see below), whose sum is σ = 1683648. Its totient is φ = 1078272.

The previous prime is 1363847. The next prime is 1363867. The reversal of 1363859 is 9583631.

It is a cyclic number.

It is not a de Polignac number, because 1363859 - 2⁸ = 1363603 is a prime.

It is a super-2 number, since 2×1363859² = 3720222743762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1363259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8609 + ... + 8765.

It is an arithmetic number, because the mean of its divisors is an integer number (105228).

2^1363859 is an apocalyptic number.

1363859 is a deficient number, since it is larger than the sum of its proper divisors (319789).

1363859 is a wasteful number, since it uses less digits than its factorization.

1363859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its digits is 19440, while the sum is 35.

The square root of 1363859 is about 1167.8437395474. The cubic root of 1363859 is about 110.8978580441.

It can be divided in two parts, 1363 and 859, that added together give a palindrome (2222).

The spelling of 1363859 in words is "one million, three hundred sixty-three thousand, eight hundred fifty-nine".