406430 has 16 divisors (see below), whose sum is σ = 740880. Its totient is φ = 160512.

The previous prime is 406423. The next prime is 406447. The reversal of 406430 is 34604.

406430 is nontrivially palindromic in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 406399 and 406408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761 + ... + 1179.

It is an arithmetic number, because the mean of its divisors is an integer number (46305).

2⁴⁰⁶⁴³⁰ is an apocalyptic number.

406430 is a deficient number, since it is larger than the sum of its proper divisors (334450).

406430 is a wasteful number, since it uses less digits than its factorization.

406430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 406430 is about 637.5186271788. The cubic root of 406430 is about 74.0733385421.

The spelling of 406430 in words is "four hundred six thousand, four hundred thirty".