389418 has 16 divisors (see below), whose sum is σ = 798336. Its totient is φ = 126560.

The previous prime is 389401. The next prime is 389437. The reversal of 389418 is 814983.

389418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546 + ... + 1037.

It is an arithmetic number, because the mean of its divisors is an integer number (49896).

2³⁸⁹⁴¹⁸ is an apocalyptic number.

389418 is an abundant number, since it is smaller than the sum of its proper divisors (408918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389418 is a wasteful number, since it uses less digits than its factorization.

389418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629.

The product of its digits is 6912, while the sum is 33.

The square root of 389418 is about 624.0336529387. The cubic root of 389418 is about 73.0250742663.

The spelling of 389418 in words is "three hundred eighty-nine thousand, four hundred eighteen".