408611 has 12 divisors (see below), whose sum is σ = 492480. Its totient is φ = 337680.

The previous prime is 408607. The next prime is 408623. The reversal of 408611 is 116804.

It is not a de Polignac number, because 408611 - 2² = 408607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1385 + ... + 1653.

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

2⁴⁰⁸⁶¹¹ is an apocalyptic number.

408611 is a deficient number, since it is larger than the sum of its proper divisors (83869).

408611 is a wasteful number, since it uses less digits than its factorization.

408611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 408611 is about 639.2268767816. The cubic root of 408611 is about 74.2056006215.

The spelling of 408611 in words is "four hundred eight thousand, six hundred eleven".