389264 has 10 divisors (see below), whose sum is σ = 754230. Its totient is φ = 194624.

The previous prime is 389231. The next prime is 389269. The reversal of 389264 is 462983.

It can be written as a sum of positive squares in only one way, i.e., 369664 + 19600 = 608^2 + 140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 389264.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389264.

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

389264 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 as a sum of consecutive naturals, namely, 12149 + ... + 12180.

It is an arithmetic number, because the mean of its divisors is an integer number (75423).

2³⁸⁹²⁶⁴ is an apocalyptic number.

It is an amenable number.

389264 is a deficient number, since it is larger than the sum of its proper divisors (364966).

389264 is a wasteful number, since it uses less digits than its factorization.

389264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24337 (or 24331 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 389264 is about 623.9102499559. The cubic root of 389264 is about 73.0154467844.

The spelling of 389264 in words is "three hundred eighty-nine thousand, two hundred sixty-four".