338474137 has 8 divisors (see below), whose sum is σ = 341418440. Its totient is φ = 335543040.

The previous prime is 338474077. The next prime is 338474161. The reversal of 338474137 is 731474833.

It can be written as a sum of positive squares in 4 ways, for example, as 265559616 + 72914521 = 16296^2 + 8539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 338474137 - 2⁷ = 338474009 is a prime.

It is a super-2 number, since 2×338474137² = 229129482835789538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 338474137.

It is not an unprimeable number, because it can be changed into a prime (338474197) 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 7 ways as a sum of consecutive naturals, for example, 52123 + ... + 58255.

It is an arithmetic number, because the mean of its divisors is an integer number (42677305).

Almost surely, 2^338474137 is an apocalyptic number.

It is an amenable number.

338474137 is a deficient number, since it is larger than the sum of its proper divisors (2944303).

338474137 is a wasteful number, since it uses less digits than its factorization.

338474137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603.

The product of its digits is 169344, while the sum is 40.

The square root of 338474137 is about 18397.6666183514. Note that the first 4 decimals coincide. The cubic root of 338474137 is about 696.9075398803.

The spelling of 338474137 in words is "three hundred thirty-eight million, four hundred seventy-four thousand, one hundred thirty-seven".