662279 has 4 divisors (see below), whose sum is σ = 666120. Its totient is φ = 658440.

The previous prime is 662267. The next prime is 662281. The reversal of 662279 is 972266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 972266 = 2 ⋅486133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662279 is a prime.

It is a super-2 number, since 2×662279² = 877226947682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665279) 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, 1649 + ... + 2010.

It is an arithmetic number, because the mean of its divisors is an integer number (166530).

2⁶⁶²²⁷⁹ is an apocalyptic number.

662279 is a deficient number, since it is larger than the sum of its proper divisors (3841).

662279 is a wasteful number, since it uses less digits than its factorization.

662279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840.

The product of its digits is 9072, while the sum is 32.

The square root of 662279 is about 813.8052592605. The cubic root of 662279 is about 87.1659754893.

The spelling of 662279 in words is "six hundred sixty-two thousand, two hundred seventy-nine".