382546881 has 24 divisors (see below), whose sum is σ = 577266144. Its totient is φ = 253147680.

The previous prime is 382546849. The next prime is 382546919. The reversal of 382546881 is 188645283.

It is not a de Polignac number, because 382546881 - 2⁵ = 382546849 is a prime.

It is a super-2 number, since 2×382546881² = 292684232325656322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (382546481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27546 + ... + 39036.

It is an arithmetic number, because the mean of its divisors is an integer number (24052756).

Almost surely, 2^382546881 is an apocalyptic number.

It is an amenable number.

382546881 is a deficient number, since it is larger than the sum of its proper divisors (194719263).

382546881 is a wasteful number, since it uses less digits than its factorization.

382546881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11643 (or 11631 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 382546881 is about 19558.8057150737. The cubic root of 382546881 is about 725.9302405481.

The spelling of 382546881 in words is "three hundred eighty-two million, five hundred forty-six thousand, eight hundred eighty-one".