663036 has 24 divisors (see below), whose sum is σ = 1688064. Its totient is φ = 200880.

The previous prime is 663031. The next prime is 663037. The reversal of 663036 is 630366.

It is a junction number, because it is equal to n+sod(n) for n = 662997 and 663015.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 663036.

It is not an unprimeable number, because it can be changed into a prime (663031) by changing a digit.

663036 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380 + ... + 2643.

It is an arithmetic number, because the mean of its divisors is an integer number (70336).

2⁶⁶³⁰³⁶ is an apocalyptic number.

663036 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

663036 is an abundant number, since it is smaller than the sum of its proper divisors (1025028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663036 is a wasteful number, since it uses less digits than its factorization.

663036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041 (or 5039 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 663036 is about 814.2702254166. The cubic root of 663036 is about 87.1991737430.

It can be divided in two parts, 6630 and 36, that added together give a palindrome (6666).

The spelling of 663036 in words is "six hundred sixty-three thousand, thirty-six".