389994087322 has 32 divisors (see below), whose sum is σ = 711843189120. Its totient is φ = 156429703680.

The previous prime is 389994087319. The next prime is 389994087337. The reversal of 389994087322 is 223780499983.

It is a super-2 number, since 2×389994087322² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4534579 + ... + 4619782.

It is an arithmetic number, because the mean of its divisors is an integer number (22245099660).

Almost surely, 2^389994087322 is an apocalyptic number.

389994087322 is a deficient number, since it is larger than the sum of its proper divisors (321849101798).

389994087322 is a wasteful number, since it uses less digits than its factorization.

389994087322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9154566.

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 389994087322 in words is "three hundred eighty-nine billion, nine hundred ninety-four million, eighty-seven thousand, three hundred twenty-two".