409079 has 4 divisors (see below), whose sum is σ = 446280. Its totient is φ = 371880.

The previous prime is 409069. The next prime is 409081. The reversal of 409079 is 970904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 409079 - 2⁴ = 409063 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409069) 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, 18584 + ... + 18605.

It is an arithmetic number, because the mean of its divisors is an integer number (111570).

2⁴⁰⁹⁰⁷⁹ is an apocalyptic number.

409079 is a deficient number, since it is larger than the sum of its proper divisors (37201).

409079 is a wasteful number, since it uses less digits than its factorization.

409079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37200.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 409079 is about 639.5928392345. The cubic root of 409079 is about 74.2339201160.

It can be divided in two parts, 40 and 9079, that added together give a palindrome (9119).

The spelling of 409079 in words is "four hundred nine thousand, seventy-nine".