662331 has 16 divisors (see below), whose sum is σ = 956160. Its totient is φ = 406560.

The previous prime is 662327. The next prime is 662339. The reversal of 662331 is 133266.

It is not a de Polignac number, because 662331 - 2² = 662327 is a prime.

It is a super-2 number, since 2×662331² = 877364707122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 662298 and 662307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836 + ... + 2166.

It is an arithmetic number, because the mean of its divisors is an integer number (59760).

2⁶⁶²³³¹ is an apocalyptic number.

662331 is a deficient number, since it is larger than the sum of its proper divisors (293829).

662331 is a wasteful number, since it uses less digits than its factorization.

662331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386.

The product of its digits is 648, while the sum is 21.

The square root of 662331 is about 813.8372073087. The cubic root of 662331 is about 87.1682567595.

Adding to 662331 its reverse (133266), we get a palindrome (795597).

The spelling of 662331 in words is "six hundred sixty-two thousand, three hundred thirty-one".