389488706 has 4 divisors (see below), whose sum is σ = 584233062. Its totient is φ = 194744352.

The previous prime is 389488691. The next prime is 389488727. The reversal of 389488706 is 607884983.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 254115481 + 135373225 = 15941^2 + 11635^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97372175 + ... + 97372178.

Almost surely, 2^389488706 is an apocalyptic number.

389488706 is a deficient number, since it is larger than the sum of its proper divisors (194744356).

389488706 is a wasteful number, since it uses less digits than its factorization.

389488706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194744355.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 389488706 is about 19735.4682234803. The cubic root of 389488706 is about 730.2949368057.

The spelling of 389488706 in words is "three hundred eighty-nine million, four hundred eighty-eight thousand, seven hundred six".