662089 has 4 divisors (see below), whose sum is σ = 676224. Its totient is φ = 647956.

The previous prime is 662083. The next prime is 662107. The reversal of 662089 is 980266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 662089 - 2⁷ = 661961 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

662089 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 662089.

It is not an unprimeable number, because it can be changed into a prime (662083) 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, 6997 + ... + 7090.

It is an arithmetic number, because the mean of its divisors is an integer number (169056).

2⁶⁶²⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

662089 is a deficient number, since it is larger than the sum of its proper divisors (14135).

662089 is a wasteful number, since it uses less digits than its factorization.

662089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14134.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 662089 is about 813.6885153423. The cubic root of 662089 is about 87.1576390634.

The spelling of 662089 in words is "six hundred sixty-two thousand, eighty-nine".