338540164 has 6 divisors (see below), whose sum is σ = 592445294. Its totient is φ = 169270080.

The previous prime is 338540149. The next prime is 338540173. The reversal of 338540164 is 461045833.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 227406400 + 111133764 = 15080^2 + 10542^2 .

It is a super-2 number, since 2×338540164² = 229218885282293792, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 42317517 + ... + 42317524.

Almost surely, 2^338540164 is an apocalyptic number.

It is an amenable number.

338540164 is a deficient number, since it is larger than the sum of its proper divisors (253905130).

338540164 is a wasteful number, since it uses less digits than its factorization.

338540164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84635045 (or 84635043 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 338540164 is about 18399.4609703654. The cubic root of 338540164 is about 696.9528527687.

Adding to 338540164 its reverse (461045833), we get a palindrome (799585997).

The spelling of 338540164 in words is "three hundred thirty-eight million, five hundred forty thousand, one hundred sixty-four".