738915489 has 81 divisors (see below), whose sum is σ = 1258398219. Its totient is φ = 417530880.

The previous prime is 738915449. The next prime is 738915553. The reversal of 738915489 is 984519837.

The square root of 738915489 is 27183.

It is a perfect power (a square), and thus also a powerful number.

738915489 is a `hidden beast` number, since 7 + 3 + 8 + 91 + 548 + 9 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 727219089 + 11696400 = 26967^2 + 3420^2 .

It is a de Polignac number, because none of the positive numbers 2^k-738915489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (738915409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 18022309 + ... + 18022349.

Almost surely, 2^738915489 is an apocalyptic number.

738915489 is the 27183-rd square number.

738915489 is the 13592-nd centered octagonal number.

It is an amenable number.

738915489 is a deficient number, since it is larger than the sum of its proper divisors (519482730).

738915489 is a wasteful number, since it uses less digits than its factorization.

738915489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 74 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The cubic root of 738915489 is about 904.0620866232.

The spelling of 738915489 in words is "seven hundred thirty-eight million, nine hundred fifteen thousand, four hundred eighty-nine".