409723604 has 12 divisors (see below), whose sum is σ = 725073300. Its totient is φ = 202559808.

The previous prime is 409723603. The next prime is 409723609. The reversal of 409723604 is 406327904.

It can be written as a sum of positive squares in 2 ways, for example, as 23522500 + 386201104 = 4850^2 + 19652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409723603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575099 + ... + 575810.

It is an arithmetic number, because the mean of its divisors is an integer number (60422775).

Almost surely, 2^409723604 is an apocalyptic number.

It is an amenable number.

409723604 is a deficient number, since it is larger than the sum of its proper divisors (315349696).

409723604 is a wasteful number, since it uses less digits than its factorization.

409723604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151002 (or 1151000 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 409723604 is about 20241.6304679243. The cubic root of 409723604 is about 742.7289088528.

The spelling of 409723604 in words is "four hundred nine million, seven hundred twenty-three thousand, six hundred four".