409430 has 16 divisors (see below), whose sum is σ = 842400. Its totient is φ = 140352.

The previous prime is 409429. The next prime is 409433. The reversal of 409430 is 34904.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2855 + ... + 2994.

It is an arithmetic number, because the mean of its divisors is an integer number (52650).

2⁴⁰⁹⁴³⁰ is an apocalyptic number.

409430 is an abundant number, since it is smaller than the sum of its proper divisors (432970).

It is a weird number, because it is abundant, but not a pseudoperfect number.

409430 is a wasteful number, since it uses less digits than its factorization.

409430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 409430 is about 639.8671737165. The cubic root of 409430 is about 74.2551455658.

The spelling of 409430 in words is "four hundred nine thousand, four hundred thirty".