389266 has 12 divisors (see below), whose sum is σ = 624078. Its totient is φ = 181472.

The previous prime is 389231. The next prime is 389269. The reversal of 389266 is 662983.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 286225 + 103041 = 535^2 + 321^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3585 + ... + 3691.

2³⁸⁹²⁶⁶ is an apocalyptic number.

389266 is a deficient number, since it is larger than the sum of its proper divisors (234812).

389266 is a wasteful number, since it uses less digits than its factorization.

389266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 126 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 389266 is about 623.9118527484. The cubic root of 389266 is about 73.0155718329.

Multiplying 389266 by its sum of digits (34), we get a square (13235044 = 3638²).

389266 divided by its sum of digits (34) gives a square (11449 = 107²).

The spelling of 389266 in words is "three hundred eighty-nine thousand, two hundred sixty-six".