665036 has 6 divisors (see below), whose sum is σ = 1163820. Its totient is φ = 332516.

The previous prime is 665029. The next prime is 665039. The reversal of 665036 is 630566.

It is a junction number, because it is equal to n+sod(n) for n = 664996 and 665014.

It is not an unprimeable number, because it can be changed into a prime (665039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83126 + ... + 83133.

It is an arithmetic number, because the mean of its divisors is an integer number (193970).

2⁶⁶⁵⁰³⁶ is an apocalyptic number.

It is an amenable number.

665036 is a deficient number, since it is larger than the sum of its proper divisors (498784).

665036 is a wasteful number, since it uses less digits than its factorization.

665036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166263 (or 166261 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 665036 is about 815.4973942325. The cubic root of 665036 is about 87.2867623945.

The spelling of 665036 in words is "six hundred sixty-five thousand, thirty-six".