663341 has 8 divisors (see below), whose sum is σ = 763584. Its totient is φ = 564480.

The previous prime is 663331. The next prime is 663349. The reversal of 663341 is 143366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 663341 - 2¹⁴ = 646957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106 + ... + 1596.

It is an arithmetic number, because the mean of its divisors is an integer number (95448).

2⁶⁶³³⁴¹ is an apocalyptic number.

It is an amenable number.

663341 is a deficient number, since it is larger than the sum of its proper divisors (100243).

663341 is a wasteful number, since it uses less digits than its factorization.

663341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its digits is 1296, while the sum is 23.

The square root of 663341 is about 814.4574881478. The cubic root of 663341 is about 87.2125423841.

It can be divided in two parts, 6633 and 41, that multiplied together give a triangular number (271953 = T₇₃₇).

The spelling of 663341 in words is "six hundred sixty-three thousand, three hundred forty-one".