409852 has 12 divisors (see below), whose sum is σ = 726880. Its totient is φ = 202176.

The previous prime is 409841. The next prime is 409861. The reversal of 409852 is 258904.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 409852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333 + ... + 964.

2⁴⁰⁹⁸⁵² is an apocalyptic number.

It is an amenable number.

409852 is a deficient number, since it is larger than the sum of its proper divisors (317028).

409852 is a wasteful number, since it uses less digits than its factorization.

409852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 409852 is about 640.1968447282. The cubic root of 409852 is about 74.2806484288.

The spelling of 409852 in words is "four hundred nine thousand, eight hundred fifty-two".