738669 has 4 divisors (see below), whose sum is σ = 984896. Its totient is φ = 492444.

The previous prime is 738643. The next prime is 738677. The reversal of 738669 is 966837.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 738669 - 2¹⁹ = 214381 is a prime.

It is a super-2 number, since 2×738669² = 1091263783122, which contains 22 as substring.

It is a D-number.

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 (738469) 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 3 ways as a sum of consecutive naturals, for example, 123109 + ... + 123114.

It is an arithmetic number, because the mean of its divisors is an integer number (246224).

2⁷³⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

738669 is a deficient number, since it is larger than the sum of its proper divisors (246227).

738669 is a wasteful number, since it uses less digits than its factorization.

738669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246226.

The product of its digits is 54432, while the sum is 39.

The square root of 738669 is about 859.4585504840. The cubic root of 738669 is about 90.3961549126.

The spelling of 738669 in words is "seven hundred thirty-eight thousand, six hundred sixty-nine".