385277 has 4 divisors (see below), whose sum is σ = 394716. Its totient is φ = 375840.

The previous prime is 385267. The next prime is 385279. The reversal of 385277 is 772583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8281 + 376996 = 91^2 + 614^2 .

It is a cyclic number.

It is not a de Polignac number, because 385277 - 2⁴ = 385261 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4658 + ... + 4739.

It is an arithmetic number, because the mean of its divisors is an integer number (98679).

2³⁸⁵²⁷⁷ is an apocalyptic number.

It is an amenable number.

385277 is a deficient number, since it is larger than the sum of its proper divisors (9439).

385277 is an equidigital number, since it uses as much as digits as its factorization.

385277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9438.

The product of its digits is 11760, while the sum is 32.

The square root of 385277 is about 620.7068551257. The cubic root of 385277 is about 72.7653061956.

The spelling of 385277 in words is "three hundred eighty-five thousand, two hundred seventy-seven".