738663 has 8 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 466488.

The previous prime is 738643. The next prime is 738677. The reversal of 738663 is 366837.

It is a happy number.

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

It is not a de Polignac number, because 738663 - 2⁹ = 738151 is a prime.

738663 is a lucky number.

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 738663.

It is not an unprimeable number, because it can be changed into a prime (738623) 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, 6423 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2⁷³⁸⁶⁶³ is an apocalyptic number.

738663 is a deficient number, since it is larger than the sum of its proper divisors (298137).

738663 is a wasteful number, since it uses less digits than its factorization.

738663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12981.

The product of its digits is 18144, while the sum is 33.

The square root of 738663 is about 859.4550599071. The cubic root of 738663 is about 90.3959101577.

The spelling of 738663 in words is "seven hundred thirty-eight thousand, six hundred sixty-three".