389541081 has 16 divisors (see below), whose sum is σ = 523008000. Its totient is φ = 257891088.

The previous prime is 389541049. The next prime is 389541101. The reversal of 389541081 is 180145983.

It is not a de Polignac number, because 389541081 - 2⁵ = 389541049 is a prime.

It is a super-2 number, since 2×389541081² = 303484507573297122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (389541881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429030 + ... + 429936.

It is an arithmetic number, because the mean of its divisors is an integer number (32688000).

Almost surely, 2^389541081 is an apocalyptic number.

It is an amenable number.

389541081 is a deficient number, since it is larger than the sum of its proper divisors (133466919).

389541081 is a wasteful number, since it uses less digits than its factorization.

389541081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 389541081 is about 19736.7951045756. The cubic root of 389541081 is about 730.3276698755.

The spelling of 389541081 in words is "three hundred eighty-nine million, five hundred forty-one thousand, eighty-one".