738909 has 8 divisors (see below), whose sum is σ = 1094720. Its totient is φ = 492588.

The previous prime is 738889. The next prime is 738917. The reversal of 738909 is 909837.

It is not a de Polignac number, because 738909 - 2⁵ = 738877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738919) 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, 13657 + ... + 13710.

It is an arithmetic number, because the mean of its divisors is an integer number (136840).

2⁷³⁸⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

738909 is a deficient number, since it is larger than the sum of its proper divisors (355811).

738909 is a wasteful number, since it uses less digits than its factorization.

738909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27376 (or 27370 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 738909 is about 859.5981619338. The cubic root of 738909 is about 90.4059440188.

The spelling of 738909 in words is "seven hundred thirty-eight thousand, nine hundred nine".