738161 has 4 divisors (see below), whose sum is σ = 750324. Its totient is φ = 726000.

The previous prime is 738151. The next prime is 738163. The reversal of 738161 is 161837.

738161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 429025 + 309136 = 655^2 + 556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-738161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 738161.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 738161.

It is not an unprimeable number, because it can be changed into a prime (738163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5990 + ... + 6111.

It is an arithmetic number, because the mean of its divisors is an integer number (187581).

2⁷³⁸¹⁶¹ is an apocalyptic number.

It is an amenable number.

738161 is a deficient number, since it is larger than the sum of its proper divisors (12163).

738161 is a wasteful number, since it uses less digits than its factorization.

738161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12162.

The product of its digits is 1008, while the sum is 26.

The square root of 738161 is about 859.1629647512. The cubic root of 738161 is about 90.3754276415.

Adding to 738161 its reverse (161837), we get a palindrome (899998).

It can be divided in two parts, 7381 and 61, that multiplied together give a square (450241 = 671²).

The spelling of 738161 in words is "seven hundred thirty-eight thousand, one hundred sixty-one".