389500982 has 16 divisors (see below), whose sum is σ = 639511152. Its totient is φ = 176821920.

The previous prime is 389500973. The next prime is 389500987. The reversal of 389500982 is 289005983.

It is a super-2 number, since 2×389500982² = 303422029957928648, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389500987) 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, 121208 + ... + 124379.

It is an arithmetic number, because the mean of its divisors is an integer number (39969447).

Almost surely, 2^389500982 is an apocalyptic number.

389500982 is a deficient number, since it is larger than the sum of its proper divisors (250010170).

389500982 is a wasteful number, since it uses less digits than its factorization.

389500982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245663.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 389500982 is about 19735.7792346793. The cubic root of 389500982 is about 730.3026092630.

The spelling of 389500982 in words is "three hundred eighty-nine million, five hundred thousand, nine hundred eighty-two".