663038 has 4 divisors (see below), whose sum is σ = 994560. Its totient is φ = 331518.

The previous prime is 663037. The next prime is 663049. The reversal of 663038 is 830366.

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

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 662998 and 663016.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165758 + ... + 165761.

It is an arithmetic number, because the mean of its divisors is an integer number (248640).

2⁶⁶³⁰³⁸ is an apocalyptic number.

663038 is a deficient number, since it is larger than the sum of its proper divisors (331522).

663038 is a wasteful number, since it uses less digits than its factorization.

663038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331521.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 663038 is about 814.2714535092. The cubic root of 663038 is about 87.1992614196.

The spelling of 663038 in words is "six hundred sixty-three thousand, thirty-eight".