409755 has 16 divisors (see below), whose sum is σ = 668160. Its totient is φ = 214368.

The previous prime is 409753. The next prime is 409769. The reversal of 409755 is 557904.

It is not a de Polignac number, because 409755 - 2¹ = 409753 is a prime.

409755 is a lucky number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (409753) 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, 654 + ... + 1116.

It is an arithmetic number, because the mean of its divisors is an integer number (41760).

2⁴⁰⁹⁷⁵⁵ is an apocalyptic number.

409755 is a deficient number, since it is larger than the sum of its proper divisors (258405).

409755 is a wasteful number, since it uses less digits than its factorization.

409755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 409755 is about 640.1210822962. The cubic root of 409755 is about 74.2747879464.

The spelling of 409755 in words is "four hundred nine thousand, seven hundred fifty-five".