662959 has 6 divisors (see below), whose sum is σ = 728840. Its totient is φ = 602580.

The previous prime is 662957. The next prime is 662999. The reversal of 662959 is 959266.

It is a happy number.

It is not a de Polignac number, because 662959 - 2¹ = 662957 is a prime.

It is a d-powerful number, because it can be written as 6³ + 6³ + 9 + 2¹⁷ + 5 + 9⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2619 + ... + 2860.

2⁶⁶²⁹⁵⁹ is an apocalyptic number.

662959 is a deficient number, since it is larger than the sum of its proper divisors (65881).

662959 is a wasteful number, since it uses less digits than its factorization.

662959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501 (or 5490 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The square root of 662959 is about 814.2229424427. Note that the first 3 decimals coincide. The cubic root of 662959 is about 87.1957980609.

It can be divided in two parts, 66 and 2959, that added together give a square (3025 = 55²).

The spelling of 662959 in words is "six hundred sixty-two thousand, nine hundred fifty-nine".