385888970 has 16 divisors (see below), whose sum is σ = 694944360. Its totient is φ = 154279104.

The previous prime is 385888939. The next prime is 385888999. The reversal of 385888970 is 79888583.

It can be written as a sum of positive squares in 4 ways, for example, as 151462249 + 234426721 = 12307^2 + 15311^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14516 + ... + 31344.

Almost surely, 2^385888970 is an apocalyptic number.

385888970 is a deficient number, since it is larger than the sum of its proper divisors (309055390).

385888970 is a wasteful number, since it uses less digits than its factorization.

385888970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19129.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The square root of 385888970 is about 19644.0568620639. The cubic root of 385888970 is about 728.0381236828.

The spelling of 385888970 in words is "three hundred eighty-five million, eight hundred eighty-eight thousand, nine hundred seventy".