338577261 has 8 divisors (see below), whose sum is σ = 492476064. Its totient is φ = 205198320.

The previous prime is 338577259. The next prime is 338577263. The reversal of 338577261 is 162775833.

It is an interprime number because it is at equal distance from previous prime (338577259) and next prime (338577263).

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

It is not a de Polignac number, because 338577261 - 2¹ = 338577259 is a prime.

It is a super-2 number, since 2×338577261² = 229269123332524242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338577263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5129926 + ... + 5129991.

It is an arithmetic number, because the mean of its divisors is an integer number (61559508).

Almost surely, 2^338577261 is an apocalyptic number.

It is an amenable number.

338577261 is a deficient number, since it is larger than the sum of its proper divisors (153898803).

338577261 is a wasteful number, since it uses less digits than its factorization.

338577261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10259931.

The product of its digits is 211680, while the sum is 42.

The square root of 338577261 is about 18400.4690429347. The cubic root of 338577261 is about 696.9783090448.

It can be divided in two parts, 3385772 and 61, that added together give a palindrome (3385833).

The spelling of 338577261 in words is "three hundred thirty-eight million, five hundred seventy-seven thousand, two hundred sixty-one".