662406 has 16 divisors (see below), whose sum is σ = 1337904. Its totient is φ = 218624.

The previous prime is 662401. The next prime is 662407. The reversal of 662406 is 604266.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (83619).

2⁶⁶²⁴⁰⁶ is an apocalyptic number.

662406 is an abundant number, since it is smaller than the sum of its proper divisors (675498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662406 is a wasteful number, since it uses less digits than its factorization.

662406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 662406 is about 813.8832840156. The cubic root of 662406 is about 87.1715468428.

The spelling of 662406 in words is "six hundred sixty-two thousand, four hundred six".