406288 has 20 divisors (see below), whose sum is σ = 801040. Its totient is φ = 199584.

The previous prime is 406271. The next prime is 406309. The reversal of 406288 is 882604.

It is a nialpdrome in base 16.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 883 + ... + 1261.

It is an arithmetic number, because the mean of its divisors is an integer number (40052).

2⁴⁰⁶²⁸⁸ is an apocalyptic number.

It is an amenable number.

406288 is a deficient number, since it is larger than the sum of its proper divisors (394752).

406288 is a wasteful number, since it uses less digits than its factorization.

406288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 406288 is about 637.4072481546. The cubic root of 406288 is about 74.0647108659.

It can be divided in two parts, 40 and 6288, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 406288 in words is "four hundred six thousand, two hundred eighty-eight".