385297 has 4 divisors (see below), whose sum is σ = 420336. Its totient is φ = 350260.

The previous prime is 385291. The next prime is 385321. The reversal of 385297 is 792583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 792583 = 11 ⋅72053.

It is a cyclic number.

It is not a de Polignac number, because 385297 - 2³ = 385289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17503 + ... + 17524.

It is an arithmetic number, because the mean of its divisors is an integer number (105084).

2³⁸⁵²⁹⁷ is an apocalyptic number.

It is an amenable number.

385297 is a deficient number, since it is larger than the sum of its proper divisors (35039).

385297 is a wasteful number, since it uses less digits than its factorization.

385297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35038.

The product of its digits is 15120, while the sum is 34.

The square root of 385297 is about 620.7229655813. The cubic root of 385297 is about 72.7665652732.

It can be divided in two parts, 38 and 5297, that added together give a palindrome (5335).

The spelling of 385297 in words is "three hundred eighty-five thousand, two hundred ninety-seven".