389272241 has 4 divisors (see below), whose sum is σ = 393962352. Its totient is φ = 384582132.

The previous prime is 389272229. The next prime is 389272243. The reversal of 389272241 is 142272983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389272241 is a prime.

It is a super-2 number, since 2×389272241² = 303065755226324162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 389272195 and 389272204.

It is not an unprimeable number, because it can be changed into a prime (389272243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344931 + ... + 2345096.

It is an arithmetic number, because the mean of its divisors is an integer number (98490588).

Almost surely, 2^389272241 is an apocalyptic number.

It is an amenable number.

389272241 is a deficient number, since it is larger than the sum of its proper divisors (4690111).

389272241 is an equidigital number, since it uses as much as digits as its factorization.

389272241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690110.

The product of its digits is 48384, while the sum is 38.

The square root of 389272241 is about 19729.9832995368. The cubic root of 389272241 is about 730.1596204401.

The spelling of 389272241 in words is "three hundred eighty-nine million, two hundred seventy-two thousand, two hundred forty-one".