409064 has 8 divisors (see below), whose sum is σ = 767010. Its totient is φ = 204528.

The previous prime is 409063. The next prime is 409069. The reversal of 409064 is 460904.

409064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 280900 + 128164 = 530^2 + 358^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (409063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25559 + ... + 25574.

2⁴⁰⁹⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

409064 is a deficient number, since it is larger than the sum of its proper divisors (357946).

409064 is a wasteful number, since it uses less digits than its factorization.

409064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51139 (or 51135 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 409064 is about 639.5811129169. The cubic root of 409064 is about 74.2330127751.

Adding to 409064 its reverse (460904), we get a palindrome (869968).

The spelling of 409064 in words is "four hundred nine thousand, sixty-four".