338897565 has 12 divisors (see below), whose sum is σ = 587422524. Its totient is φ = 180745344.

The previous prime is 338897561. The next prime is 338897579. The reversal of 338897565 is 565798833.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 267224409 + 71673156 = 16347^2 + 8466^2 .

It is not a de Polignac number, because 338897565 - 2² = 338897561 is a prime.

It is a super-2 number, since 2×338897565² = 229703119125858450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338897561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3765484 + ... + 3765573.

It is an arithmetic number, because the mean of its divisors is an integer number (48951877).

Almost surely, 2^338897565 is an apocalyptic number.

It is an amenable number.

338897565 is a deficient number, since it is larger than the sum of its proper divisors (248524959).

338897565 is a wasteful number, since it uses less digits than its factorization.

338897565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531068 (or 7531065 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 338897565 is about 18409.1706765949. The cubic root of 338897565 is about 697.1980270671.

The spelling of 338897565 in words is "three hundred thirty-eight million, eight hundred ninety-seven thousand, five hundred sixty-five".