332768261 has 12 divisors (see below), whose sum is σ = 407472480. Its totient is φ = 270217080.

The previous prime is 332768257. The next prime is 332768273. The reversal of 332768261 is 162867233.

It is not a de Polignac number, because 332768261 - 2² = 332768257 is a prime.

It is a super-2 number, since 2×332768261² = 221469431057928242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332768281) 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 11 ways as a sum of consecutive naturals, for example, 177785 + ... + 179646.

It is an arithmetic number, because the mean of its divisors is an integer number (33956040).

Almost surely, 2^332768261 is an apocalyptic number.

It is an amenable number.

332768261 is a deficient number, since it is larger than the sum of its proper divisors (74704219).

332768261 is a wasteful number, since it uses less digits than its factorization.

332768261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357464 (or 357457 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 332768261 is about 18241.9368763298. The cubic root of 332768261 is about 692.9692534738.

The spelling of 332768261 in words is "three hundred thirty-two million, seven hundred sixty-eight thousand, two hundred sixty-one".