465409 has 8 divisors (see below), whose sum is σ = 563328. Its totient is φ = 375360.

The previous prime is 465407. The next prime is 465419. The reversal of 465409 is 904564.

465409 = T₂₂ + T₂₃ + ... + T₁₄₀.

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

It is not a de Polignac number, because 465409 - 2¹ = 465407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (70416).

2⁴⁶⁵⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

465409 is a deficient number, since it is larger than the sum of its proper divisors (97919).

465409 is a wasteful number, since it uses less digits than its factorization.

465409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 465409 is about 682.2089122842. The cubic root of 465409 is about 77.4958166316.

The spelling of 465409 in words is "four hundred sixty-five thousand, four hundred nine".