385492 has 12 divisors (see below), whose sum is σ = 714420. Its totient is φ = 181376.

The previous prime is 385481. The next prime is 385493. The reversal of 385492 is 294583.

It can be written as a sum of positive squares in 2 ways, for example, as 197136 + 188356 = 444^2 + 434^2 .

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 (385493) by changing a digit.

385492 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2767 + ... + 2902.

It is an arithmetic number, because the mean of its divisors is an integer number (59535).

2³⁸⁵⁴⁹² is an apocalyptic number.

It is an amenable number.

385492 is a deficient number, since it is larger than the sum of its proper divisors (328928).

385492 is a wasteful number, since it uses less digits than its factorization.

385492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5690 (or 5688 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 385492 is about 620.8800206159. The cubic root of 385492 is about 72.7788389972.

Subtracting from 385492 its reverse (294583), we obtain a palindrome (90909).

It can be divided in two parts, 385 and 492, that multiplied together give a triangular number (189420 = T₆₁₅).

The spelling of 385492 in words is "three hundred eighty-five thousand, four hundred ninety-two".