338725881 has 40 divisors (see below), whose sum is σ = 547392384. Its totient is φ = 207502560.

The previous prime is 338725879. The next prime is 338725943. The reversal of 338725881 is 188527833.

It is not a de Polignac number, because 338725881 - 2¹ = 338725879 is a prime.

It is a super-2 number, since 2×338725881² = 229470444918452322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338725831) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 284770 + ... + 285956.

Almost surely, 2^338725881 is an apocalyptic number.

It is an amenable number.

338725881 is a deficient number, since it is larger than the sum of its proper divisors (208666503).

338725881 is a wasteful number, since it uses less digits than its factorization.

338725881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483 (or 1474 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 338725881 is about 18404.5070838640. The cubic root of 338725881 is about 697.0802747067.

The spelling of 338725881 in words is "three hundred thirty-eight million, seven hundred twenty-five thousand, eight hundred eighty-one".