406204 has 12 divisors (see below), whose sum is σ = 716184. Its totient is φ = 201584.

The previous prime is 406183. The next prime is 406207. The reversal of 406204 is 402604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406207) 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, 399 + ... + 985.

It is an arithmetic number, because the mean of its divisors is an integer number (59682).

2⁴⁰⁶²⁰⁴ is an apocalyptic number.

It is an amenable number.

406204 is a deficient number, since it is larger than the sum of its proper divisors (309980).

406204 is a wasteful number, since it uses less digits than its factorization.

406204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 406204 is about 637.3413528087. The cubic root of 406204 is about 74.0596062238.

Adding to 406204 its reverse (402604), we get a palindrome (808808).

Subtracting from 406204 its reverse (402604), we obtain a square (3600 = 60²).

It can be divided in two parts, 40 and 6204, that multiplied together give a triangular number (248160 = T₇₀₄).

The spelling of 406204 in words is "four hundred six thousand, two hundred four".