338837121 has 16 divisors (see below), whose sum is σ = 573692800. Its totient is φ = 193621104.

The previous prime is 338837117. The next prime is 338837141. The reversal of 338837121 is 121738833.

It is not a de Polignac number, because 338837121 - 2² = 338837117 is a prime.

It is a super-2 number, since 2×338837121² = 229621189135137282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338837141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896206 + ... + 896583.

It is an arithmetic number, because the mean of its divisors is an integer number (35855800).

Almost surely, 2^338837121 is an apocalyptic number.

It is an amenable number.

338837121 is a deficient number, since it is larger than the sum of its proper divisors (234855679).

338837121 is a wasteful number, since it uses less digits than its factorization.

338837121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792805 (or 1792799 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 338837121 is about 18407.5289216125. The cubic root of 338837121 is about 697.1565750694.

The spelling of 338837121 in words is "three hundred thirty-eight million, eight hundred thirty-seven thousand, one hundred twenty-one".