1382334881 has 4 divisors (see below), whose sum is σ = 1395755712. Its totient is φ = 1368914052.

The previous prime is 1382334841. The next prime is 1382334893. The reversal of 1382334881 is 1884332831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1382334881 - 2³⁰ = 308593057 is a prime.

It is a super-3 number, since 3×1382334881³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1382334841) 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, 6710261 + ... + 6710466.

It is an arithmetic number, because the mean of its divisors is an integer number (348938928).

Almost surely, 2^1382334881 is an apocalyptic number.

It is an amenable number.

1382334881 is a deficient number, since it is larger than the sum of its proper divisors (13420831).

1382334881 is a wasteful number, since it uses less digits than its factorization.

1382334881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13420830.

The product of its digits is 110592, while the sum is 41.

The square root of 1382334881 is about 37179.7644021583. The cubic root of 1382334881 is about 1113.9638281475.

The spelling of 1382334881 in words is "one billion, three hundred eighty-two million, three hundred thirty-four thousand, eight hundred eighty-one".