738448 has 10 divisors (see below), whose sum is σ = 1430774. Its totient is φ = 369216.

The previous prime is 738443. The next prime is 738457. The reversal of 738448 is 844837.

It can be written as a sum of positive squares in only one way, i.e., 725904 + 12544 = 852^2 + 112^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738443) by changing a digit.

738448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23061 + ... + 23092.

2⁷³⁸⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

738448 is a deficient number, since it is larger than the sum of its proper divisors (692326).

738448 is a wasteful number, since it uses less digits than its factorization.

738448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46161 (or 46155 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 738448 is about 859.3299715476. The cubic root of 738448 is about 90.3871389018.

The spelling of 738448 in words is "seven hundred thirty-eight thousand, four hundred forty-eight".