389924522 has 8 divisors (see below), whose sum is σ = 629878116. Its totient is φ = 179965152.

The previous prime is 389924519. The next prime is 389924531. The reversal of 389924522 is 225429983.

It can be written as a sum of positive squares in 2 ways, for example, as 300640921 + 89283601 = 17339^2 + 9449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×389924522² = 304082265713856968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7498523 + ... + 7498574.

Almost surely, 2^389924522 is an apocalyptic number.

389924522 is a deficient number, since it is larger than the sum of its proper divisors (239953594).

389924522 is a wasteful number, since it uses less digits than its factorization.

389924522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14997112.

The product of its digits is 311040, while the sum is 44.

The square root of 389924522 is about 19746.5065771138. The cubic root of 389924522 is about 730.5672216214.

The spelling of 389924522 in words is "three hundred eighty-nine million, nine hundred twenty-four thousand, five hundred twenty-two".