389000170 has 32 divisors (see below), whose sum is σ = 755107920. Its totient is φ = 143431680.

The previous prime is 389000119. The next prime is 389000179. The reversal of 389000170 is 71000983.

It can be written as a sum of positive squares in 8 ways, for example, as 43151761 + 345848409 = 6569^2 + 18597^2 .

It is a super-2 number, since 2×389000170² = 302642264520057800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (389000179) 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, 119160 + ... + 122380.

Almost surely, 2^389000170 is an apocalyptic number.

389000170 is a deficient number, since it is larger than the sum of its proper divisors (366107750).

389000170 is a wasteful number, since it uses less digits than its factorization.

389000170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 389000170 is about 19723.0872329866. The cubic root of 389000170 is about 729.9894725447.

The spelling of 389000170 in words is "three hundred eighty-nine million, one hundred seventy", and thus it is an aban number.