662239 has 4 divisors (see below), whose sum is σ = 691056. Its totient is φ = 633424.

The previous prime is 662231. The next prime is 662251. The reversal of 662239 is 932266.

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

It is a cyclic number.

It is not a de Polignac number, because 662239 - 2³ = 662231 is a prime.

It is a Duffinian number.

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 (662231) 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, 14374 + ... + 14419.

It is an arithmetic number, because the mean of its divisors is an integer number (172764).

2⁶⁶²²³⁹ is an apocalyptic number.

662239 is a deficient number, since it is larger than the sum of its proper divisors (28817).

662239 is a wasteful number, since it uses less digits than its factorization.

662239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28816.

The product of its digits is 3888, while the sum is 28.

The square root of 662239 is about 813.7806829853. The cubic root of 662239 is about 87.1642205848.

The spelling of 662239 in words is "six hundred sixty-two thousand, two hundred thirty-nine".