662306 has 4 divisors (see below), whose sum is σ = 993462. Its totient is φ = 331152.

The previous prime is 662287. The next prime is 662309. The reversal of 662306 is 603266.

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

It can be written as a sum of positive squares in only one way, i.e., 403225 + 259081 = 635^2 + 509^2 .

It is an Ulam number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 662306.

It is not an unprimeable number, because it can be changed into a prime (662309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165575 + ... + 165578.

2⁶⁶²³⁰⁶ is an apocalyptic number.

662306 is a deficient number, since it is larger than the sum of its proper divisors (331156).

662306 is a wasteful number, since it uses less digits than its factorization.

662306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331155.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 662306 is about 813.8218478267. The cubic root of 662306 is about 87.1671600099.

The spelling of 662306 in words is "six hundred sixty-two thousand, three hundred six".