389854465 has 32 divisors (see below), whose sum is σ = 628137216. Its totient is φ = 224328960.

The previous prime is 389854463. The next prime is 389854501. The reversal of 389854465 is 564458983.

It is not a de Polignac number, because 389854465 - 2¹ = 389854463 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (389854463) 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, 33942 + ... + 43951.

It is an arithmetic number, because the mean of its divisors is an integer number (19629288).

Almost surely, 2^389854465 is an apocalyptic number.

389854465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

389854465 is a deficient number, since it is larger than the sum of its proper divisors (238282751).

389854465 is a wasteful number, since it uses less digits than its factorization.

389854465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77929.

The product of its digits is 4147200, while the sum is 52.

The square root of 389854465 is about 19744.7325887184. The cubic root of 389854465 is about 730.5234657913.

The spelling of 389854465 in words is "three hundred eighty-nine million, eight hundred fifty-four thousand, four hundred sixty-five".