1359855 has 32 divisors (see below), whose sum is σ = 2764800. Its totient is φ = 621216.

The previous prime is 1359833. The next prime is 1359857. The reversal of 1359855 is 5589531.

It is a happy number.

1359855 is a `hidden beast` number, since 13 + 598 + 55 = 666.

It is not a de Polignac number, because 1359855 - 2⁵ = 1359823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226 + ... + 1664.

It is an arithmetic number, because the mean of its divisors is an integer number (86400).

2^1359855 is an apocalyptic number.

1359855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1359855 is an abundant number, since it is smaller than the sum of its proper divisors (1404945).

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

1359855 is a wasteful number, since it uses less digits than its factorization.

1359855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460 (or 1454 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 1359855 is about 1166.1282090748. The cubic root of 1359855 is about 110.7892274930.

The spelling of 1359855 in words is "one million, three hundred fifty-nine thousand, eight hundred fifty-five".