409461 has 8 divisors (see below), whose sum is σ = 588000. Its totient is φ = 251952.

The previous prime is 409441. The next prime is 409463. The reversal of 409461 is 164904.

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

It is not a de Polignac number, because 409461 - 2⁵ = 409429 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5211 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (73500).

2⁴⁰⁹⁴⁶¹ is an apocalyptic number.

It is an amenable number.

409461 is a deficient number, since it is larger than the sum of its proper divisors (178539).

409461 is a wasteful number, since it uses less digits than its factorization.

409461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10515.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 409461 is about 639.8913970355. The cubic root of 409461 is about 74.2570195951.

The spelling of 409461 in words is "four hundred nine thousand, four hundred sixty-one".