1238852489 has 8 divisors (see below), whose sum is σ = 1448758080. Its totient is φ = 1037178576.

The previous prime is 1238852429. The next prime is 1238852491. The reversal of 1238852489 is 9842588321.

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

It is not a de Polignac number, because 1238852489 - 2²⁰ = 1237803913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1238852429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2057594 + ... + 2058195.

It is an arithmetic number, because the mean of its divisors is an integer number (181094760).

Almost surely, 2^1238852489 is an apocalyptic number.

It is an amenable number.

1238852489 is a deficient number, since it is larger than the sum of its proper divisors (209905591).

1238852489 is an equidigital number, since it uses as much as digits as its factorization.

1238852489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115839.

The product of its digits is 1105920, while the sum is 50.

The square root of 1238852489 is about 35197.3363906987. The cubic root of 1238852489 is about 1074.0055672016.

The spelling of 1238852489 in words is "one billion, two hundred thirty-eight million, eight hundred fifty-two thousand, four hundred eighty-nine".