409538852 has 6 divisors (see below), whose sum is σ = 716692998. Its totient is φ = 204769424.

The previous prime is 409538827. The next prime is 409538869. The reversal of 409538852 is 258835904.

It can be written as a sum of positive squares in only one way, i.e., 220641316 + 188897536 = 14854^2 + 13744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51192353 + ... + 51192360.

It is an arithmetic number, because the mean of its divisors is an integer number (119448833).

Almost surely, 2^409538852 is an apocalyptic number.

It is an amenable number.

409538852 is a deficient number, since it is larger than the sum of its proper divisors (307154146).

409538852 is a wasteful number, since it uses less digits than its factorization.

409538852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102384717 (or 102384715 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 409538852 is about 20237.0662893612. The cubic root of 409538852 is about 742.6172553053.

The spelling of 409538852 in words is "four hundred nine million, five hundred thirty-eight thousand, eight hundred fifty-two".