1365885 has 24 divisors (see below), whose sum is σ = 2396160. Its totient is φ = 719712.

The previous prime is 1365877. The next prime is 1365907. The reversal of 1365885 is 5885631.

It is not a de Polignac number, because 1365885 - 2³ = 1365877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5596 + ... + 5834.

It is an arithmetic number, because the mean of its divisors is an integer number (99840).

2^1365885 is an apocalyptic number.

1365885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1365885 is a deficient number, since it is larger than the sum of its proper divisors (1030275).

1365885 is a wasteful number, since it uses less digits than its factorization.

1365885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 374 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 1365885 is about 1168.7108282206. The cubic root of 1365885 is about 110.9527434585.

The spelling of 1365885 in words is "one million, three hundred sixty-five thousand, eight hundred eighty-five".