389406122 has 8 divisors (see below), whose sum is σ = 667553376. Its totient is φ = 166888332.

The previous prime is 389406109. The next prime is 389406179. The reversal of 389406122 is 221604983.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13907348 + ... + 13907375.

It is an arithmetic number, because the mean of its divisors is an integer number (83444172).

Almost surely, 2^389406122 is an apocalyptic number.

389406122 is a deficient number, since it is larger than the sum of its proper divisors (278147254).

389406122 is a wasteful number, since it uses less digits than its factorization.

389406122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27814732.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 389406122 is about 19733.3758389182. The cubic root of 389406122 is about 730.2433179019.

The spelling of 389406122 in words is "three hundred eighty-nine million, four hundred six thousand, one hundred twenty-two".