338628841 has 4 divisors (see below), whose sum is σ = 349552384. Its totient is φ = 327705300.

The previous prime is 338628833. The next prime is 338628889. The reversal of 338628841 is 148826833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 148826833 = 101 ⋅1473533.

It is a cyclic number.

It is not a de Polignac number, because 338628841 - 2³ = 338628833 is a prime.

It is a super-2 number, since 2×338628841² = 229338983914006562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338628821) 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 3 ways as a sum of consecutive naturals, for example, 5461725 + ... + 5461786.

It is an arithmetic number, because the mean of its divisors is an integer number (87388096).

Almost surely, 2^338628841 is an apocalyptic number.

338628841 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

338628841 is a deficient number, since it is larger than the sum of its proper divisors (10923543).

338628841 is a wasteful number, since it uses less digits than its factorization.

338628841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923542.

The product of its digits is 221184, while the sum is 43.

The square root of 338628841 is about 18401.8705842640. The cubic root of 338628841 is about 697.0137005884.

The spelling of 338628841 in words is "three hundred thirty-eight million, six hundred twenty-eight thousand, eight hundred forty-one".