389382630 has 256 divisors, whose sum is σ = 1226244096. Its totient is φ = 76930560.

The previous prime is 389382619. The next prime is 389382641. The reversal of 389382630 is 36283983.

389382630 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (389382619) and next prime (389382641).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3639037 + ... + 3639143.

It is an arithmetic number, because the mean of its divisors is an integer number (4790016).

Almost surely, 2^389382630 is an apocalyptic number.

389382630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 389382630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613122048).

389382630 is an abundant number, since it is smaller than the sum of its proper divisors (836861466).

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

389382630 is a wasteful number, since it uses less digits than its factorization.

389382630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 389382630 is about 19732.7805947363. The cubic root of 389382630 is about 730.2286329581.

The spelling of 389382630 in words is "three hundred eighty-nine million, three hundred eighty-two thousand, six hundred thirty".