662026 has 4 divisors (see below), whose sum is σ = 993042. Its totient is φ = 331012.

The previous prime is 662021. The next prime is 662029. The reversal of 662026 is 620266.

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., 540225 + 121801 = 735^2 + 349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 661988 and 662006.

It is not an unprimeable number, because it can be changed into a prime (662021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165505 + ... + 165508.

2⁶⁶²⁰²⁶ is an apocalyptic number.

662026 is a deficient number, since it is larger than the sum of its proper divisors (331016).

662026 is a wasteful number, since it uses less digits than its factorization.

662026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331015.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 662026 is about 813.6498018189. The cubic root of 662026 is about 87.1548745280.

The spelling of 662026 in words is "six hundred sixty-two thousand, twenty-six".