682406 has 4 divisors (see below), whose sum is σ = 1023612. Its totient is φ = 341202.

The previous prime is 682373. The next prime is 682411. The reversal of 682406 is 604286.

682406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604286 = 2 ⋅302143.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170600 + ... + 170603.

It is an arithmetic number, because the mean of its divisors is an integer number (255903).

2⁶⁸²⁴⁰⁶ is an apocalyptic number.

682406 is a deficient number, since it is larger than the sum of its proper divisors (341206).

682406 is a wasteful number, since it uses less digits than its factorization.

682406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341205.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 682406 is about 826.0786887458. The cubic root of 682406 is about 88.0401848150.

The spelling of 682406 in words is "six hundred eighty-two thousand, four hundred six".