409066 has 16 divisors (see below), whose sum is σ = 714240. Its totient is φ = 172080.

The previous prime is 409063. The next prime is 409069. The reversal of 409066 is 660904.

409066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (409063) and next prime (409069).

It is a plaindrome in base 12.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 409066.

It is not an unprimeable number, because it can be changed into a prime (409063) 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, 615 + ... + 1093.

It is an arithmetic number, because the mean of its divisors is an integer number (44640).

2⁴⁰⁹⁰⁶⁶ is an apocalyptic number.

409066 is a deficient number, since it is larger than the sum of its proper divisors (305174).

409066 is a wasteful number, since it uses less digits than its factorization.

409066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 409066 is about 639.5826764383. The cubic root of 409066 is about 74.2331337552.

The spelling of 409066 in words is "four hundred nine thousand, sixty-six".