389370241 has 4 divisors (see below), whose sum is σ = 419321812. Its totient is φ = 359418672.

The previous prime is 389370221. The next prime is 389370253. The reversal of 389370241 is 142073983.

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

It can be written as a sum of positive squares in 2 ways, for example, as 156350016 + 233020225 = 12504^2 + 15265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389370241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389370241.

It is not an unprimeable number, because it can be changed into a prime (389370221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14975766 + ... + 14975791.

It is an arithmetic number, because the mean of its divisors is an integer number (104830453).

Almost surely, 2^389370241 is an apocalyptic number.

It is an amenable number.

389370241 is a deficient number, since it is larger than the sum of its proper divisors (29951571).

389370241 is a wasteful number, since it uses less digits than its factorization.

389370241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29951570.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 389370241 is about 19732.4666729732. The cubic root of 389370241 is about 730.2208883065.

The spelling of 389370241 in words is "three hundred eighty-nine million, three hundred seventy thousand, two hundred forty-one".