409046 has 8 divisors (see below), whose sum is σ = 669384. Its totient is φ = 185920.

The previous prime is 409043. The next prime is 409063. The reversal of 409046 is 640904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409043) 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, 9275 + ... + 9318.

It is an arithmetic number, because the mean of its divisors is an integer number (83673).

2⁴⁰⁹⁰⁴⁶ is an apocalyptic number.

409046 is a deficient number, since it is larger than the sum of its proper divisors (260338).

409046 is a wasteful number, since it uses less digits than its factorization.

409046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18606.

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

The square root of 409046 is about 639.5670410520. The cubic root of 409046 is about 74.2319239366.

The spelling of 409046 in words is "four hundred nine thousand, forty-six".