389480385 has 16 divisors (see below), whose sum is σ = 712192896. Its totient is φ = 178048128.

The previous prime is 389480383. The next prime is 389480393. The reversal of 389480385 is 583084983.

It is not a de Polignac number, because 389480385 - 2¹ = 389480383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389480381) 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, 1854564 + ... + 1854773.

It is an arithmetic number, because the mean of its divisors is an integer number (44512056).

Almost surely, 2^389480385 is an apocalyptic number.

389480385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

389480385 is a deficient number, since it is larger than the sum of its proper divisors (322712511).

389480385 is a wasteful number, since it uses less digits than its factorization.

389480385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709352.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 389480385 is about 19735.2574090129. The cubic root of 389480385 is about 730.2897361179.

The spelling of 389480385 in words is "three hundred eighty-nine million, four hundred eighty thousand, three hundred eighty-five".