338901655 has 4 divisors (see below), whose sum is σ = 406681992. Its totient is φ = 271121320.

The previous prime is 338901653. The next prime is 338901679. The reversal of 338901655 is 556109833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556109833 = 167 ⋅3329999.

It is not a de Polignac number, because 338901655 - 2¹ = 338901653 is a prime.

It is a super-2 number, since 2×338901655² = 229708663523478050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338901653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33890161 + ... + 33890170.

It is an arithmetic number, because the mean of its divisors is an integer number (101670498).

Almost surely, 2^338901655 is an apocalyptic number.

338901655 is a deficient number, since it is larger than the sum of its proper divisors (67780337).

338901655 is an equidigital number, since it uses as much as digits as its factorization.

338901655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67780336.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 338901655 is about 18409.2817621981. The cubic root of 338901655 is about 697.2008317773.

The spelling of 338901655 in words is "three hundred thirty-eight million, nine hundred one thousand, six hundred fifty-five".