409119 has 4 divisors (see below), whose sum is σ = 545496. Its totient is φ = 272744.

The previous prime is 409099. The next prime is 409121. The reversal of 409119 is 911904.

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 409119 - 2⁹ = 408607 is a prime.

It is a super-2 number, since 2×409119² = 334756712322, which contains 22 as substring.

It is a D-number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401119) 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, 68184 + ... + 68189.

It is an arithmetic number, because the mean of its divisors is an integer number (136374).

2⁴⁰⁹¹¹⁹ is an apocalyptic number.

409119 is a deficient number, since it is larger than the sum of its proper divisors (136377).

409119 is a wasteful number, since it uses less digits than its factorization.

409119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136376.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 409119 is about 639.6241083637. The cubic root of 409119 is about 74.2363395835.

It can be divided in two parts, 409 and 119, that added together give a triangular number (528 = T₃₂).

The spelling of 409119 in words is "four hundred nine thousand, one hundred nineteen".