409485 has 8 divisors (see below), whose sum is σ = 655200. Its totient is φ = 218384.

The previous prime is 409483. The next prime is 409499. The reversal of 409485 is 584904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 409485 - 2¹ = 409483 is a prime.

409485 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13635 + ... + 13664.

It is an arithmetic number, because the mean of its divisors is an integer number (81900).

2⁴⁰⁹⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

409485 is a deficient number, since it is larger than the sum of its proper divisors (245715).

409485 is a wasteful number, since it uses less digits than its factorization.

409485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27307.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 409485 is about 639.9101499429. The cubic root of 409485 is about 74.2584703915.

The spelling of 409485 in words is "four hundred nine thousand, four hundred eighty-five".