389435 has 8 divisors (see below), whose sum is σ = 474336. Its totient is φ = 306880.

The previous prime is 389401. The next prime is 389437. The reversal of 389435 is 534983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 389435 - 2¹⁶ = 323899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194 + ... + 903.

It is an arithmetic number, because the mean of its divisors is an integer number (59292).

2³⁸⁹⁴³⁵ is an apocalyptic number.

389435 is a deficient number, since it is larger than the sum of its proper divisors (84901).

389435 is a wasteful number, since it uses less digits than its factorization.

389435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173.

The product of its digits is 12960, while the sum is 32.

The square root of 389435 is about 624.0472738503. The cubic root of 389435 is about 73.0261368847.

Subtracting from 389435 its sum of digits (32), we obtain a triangular number (389403 = T₈₈₂).

The spelling of 389435 in words is "three hundred eighty-nine thousand, four hundred thirty-five".