663046 has 4 divisors (see below), whose sum is σ = 994572. Its totient is φ = 331522.

The previous prime is 663037. The next prime is 663049. The reversal of 663046 is 640366.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 663046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165760 + ... + 165763.

It is an arithmetic number, because the mean of its divisors is an integer number (248643).

2⁶⁶³⁰⁴⁶ is an apocalyptic number.

663046 is a deficient number, since it is larger than the sum of its proper divisors (331526).

663046 is a wasteful number, since it uses less digits than its factorization.

663046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331525.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 663046 is about 814.2763658611. The cubic root of 663046 is about 87.1996121241.

The spelling of 663046 in words is "six hundred sixty-three thousand, forty-six".