408146 has 16 divisors (see below), whose sum is σ = 656640. Its totient is φ = 189840.

The previous prime is 408137. The next prime is 408169. The reversal of 408146 is 641804.

It is a happy number.

It is an unprimeable number.

408146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2⁴⁰⁸¹⁴⁶ is an apocalyptic number.

408146 is a deficient number, since it is larger than the sum of its proper divisors (248494).

408146 is a wasteful number, since it uses less digits than its factorization.

408146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 408146 is about 638.8630526177. The cubic root of 408146 is about 74.1774412379.

The spelling of 408146 in words is "four hundred eight thousand, one hundred forty-six".