389277 has 24 divisors (see below), whose sum is σ = 663936. Its totient is φ = 215136.

The previous prime is 389273. The next prime is 389287. The reversal of 389277 is 772983.

389277 is a `hidden beast` number, since 389 + 277 = 666.

It is not a de Polignac number, because 389277 - 2² = 389273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389273) 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 23 ways as a sum of consecutive naturals, for example, 2248 + ... + 2414.

It is an arithmetic number, because the mean of its divisors is an integer number (27664).

2³⁸⁹²⁷⁷ is an apocalyptic number.

389277 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

389277 is a deficient number, since it is larger than the sum of its proper divisors (274659).

389277 is a wasteful number, since it uses less digits than its factorization.

389277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 214 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 389277 is about 623.9206680340. The cubic root of 389277 is about 73.0162595920.

It can be divided in two parts, 3892 and 77, that added together give a square (3969 = 63²).

The spelling of 389277 in words is "three hundred eighty-nine thousand, two hundred seventy-seven".