385270 has 16 divisors (see below), whose sum is σ = 706320. Its totient is φ = 151264.

The previous prime is 385267. The next prime is 385279. The reversal of 385270 is 72583.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385279) by changing a digit.

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, 264 + ... + 916.

It is an arithmetic number, because the mean of its divisors is an integer number (44145).

2³⁸⁵²⁷⁰ is an apocalyptic number.

385270 is a deficient number, since it is larger than the sum of its proper divisors (321050).

385270 is a wasteful number, since it uses less digits than its factorization.

385270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 385270 is about 620.7012163674. The cubic root of 385270 is about 72.7648655081.

The spelling of 385270 in words is "three hundred eighty-five thousand, two hundred seventy".