389789486 has 16 divisors (see below), whose sum is σ = 593723904. Its totient is φ = 191890944.

The previous prime is 389789461. The next prime is 389789509. The reversal of 389789486 is 684987983.

It is a happy number.

It is a super-2 number, since 2×389789486² = 303871686792288392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96275 + ... + 100241.

It is an arithmetic number, because the mean of its divisors is an integer number (37107744).

Almost surely, 2^389789486 is an apocalyptic number.

389789486 is a deficient number, since it is larger than the sum of its proper divisors (203934418).

389789486 is a wasteful number, since it uses less digits than its factorization.

389789486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715.

The product of its digits is 20901888, while the sum is 62.

The square root of 389789486 is about 19743.0870433172. The cubic root of 389789486 is about 730.4828768656.

The spelling of 389789486 in words is "three hundred eighty-nine million, seven hundred eighty-nine thousand, four hundred eighty-six".