389666958 has 16 divisors (see below), whose sum is σ = 782441856. Its totient is φ = 129371000.

The previous prime is 389666951. The next prime is 389666969. The reversal of 389666958 is 859666983.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389666951) 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, 127866 + ... + 130877.

It is an arithmetic number, because the mean of its divisors is an integer number (48902616).

Almost surely, 2^389666958 is an apocalyptic number.

389666958 is an abundant number, since it is smaller than the sum of its proper divisors (392774898).

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

389666958 is a wasteful number, since it uses less digits than its factorization.

389666958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258999.

The product of its digits is 16796160, while the sum is 60.

The square root of 389666958 is about 19739.9837385951. The cubic root of 389666958 is about 730.4063278656.

The spelling of 389666958 in words is "three hundred eighty-nine million, six hundred sixty-six thousand, nine hundred fifty-eight".