410689 has 4 divisors (see below), whose sum is σ = 413140. Its totient is φ = 408240.

The previous prime is 410687. The next prime is 410701. The reversal of 410689 is 986014.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10000 + 400689 = 100^2 + 633^2 .

It is a cyclic number.

It is not a de Polignac number, because 410689 - 2¹ = 410687 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (410687) 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, 954 + ... + 1315.

It is an arithmetic number, because the mean of its divisors is an integer number (103285).

2⁴¹⁰⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

410689 is a deficient number, since it is larger than the sum of its proper divisors (2451).

410689 is a wasteful number, since it uses less digits than its factorization.

410689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 410689 is about 640.8502165093. The cubic root of 410689 is about 74.3311793746.

The spelling of 410689 in words is "four hundred ten thousand, six hundred eighty-nine".