338980881 has 32 divisors (see below), whose sum is σ = 485936640. Its totient is φ = 209568384.

The previous prime is 338980861. The next prime is 338980891. The reversal of 338980881 is 188089833.

It is a happy number.

It is not a de Polignac number, because 338980881 - 2¹⁴ = 338964497 is a prime.

It is a super-2 number, since 2×338980881² = 229816075367072322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338980881.

It is not an unprimeable number, because it can be changed into a prime (338980801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 647886 + ... + 648408.

It is an arithmetic number, because the mean of its divisors is an integer number (15185520).

Almost surely, 2^338980881 is an apocalyptic number.

It is an amenable number.

338980881 is a deficient number, since it is larger than the sum of its proper divisors (146955759).

338980881 is a wasteful number, since it uses less digits than its factorization.

338980881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 338980881 is about 18411.4334314306. The cubic root of 338980881 is about 697.2551564156.

The spelling of 338980881 in words is "three hundred thirty-eight million, nine hundred eighty thousand, eight hundred eighty-one".