389800147 has 4 divisors (see below), whose sum is σ = 425236536. Its totient is φ = 354363760.

The previous prime is 389800139. The next prime is 389800183. The reversal of 389800147 is 741008983.

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

It is a cyclic number.

It is not a de Polignac number, because 389800147 - 2³ = 389800139 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389840147) by changing a digit.

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, 17718178 + ... + 17718199.

It is an arithmetic number, because the mean of its divisors is an integer number (106309134).

Almost surely, 2^389800147 is an apocalyptic number.

389800147 is a deficient number, since it is larger than the sum of its proper divisors (35436389).

389800147 is a wasteful number, since it uses less digits than its factorization.

389800147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35436388.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 389800147 is about 19743.3570347092. The cubic root of 389800147 is about 730.4895365346.

The spelling of 389800147 in words is "three hundred eighty-nine million, eight hundred thousand, one hundred forty-seven".