338429953 has 4 divisors (see below), whose sum is σ = 338468868. Its totient is φ = 338391040.

The previous prime is 338429951. The next prime is 338429977. The reversal of 338429953 is 359924833.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 35426304 + 303003649 = 5952^2 + 17407^2 .

It is a cyclic number.

It is not a de Polignac number, because 338429953 - 2¹ = 338429951 is a prime.

It is a super-2 number, since 2×338429953² = 229069666175164418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338429951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225 + ... + 26017.

It is an arithmetic number, because the mean of its divisors is an integer number (84617217).

Almost surely, 2^338429953 is an apocalyptic number.

It is an amenable number.

338429953 is a deficient number, since it is larger than the sum of its proper divisors (38915).

338429953 is a wasteful number, since it uses less digits than its factorization.

338429953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38914.

The product of its digits is 699840, while the sum is 46.

The square root of 338429953 is about 18396.4657747079. The cubic root of 338429953 is about 696.8772140746.

The spelling of 338429953 in words is "three hundred thirty-eight million, four hundred twenty-nine thousand, nine hundred fifty-three".