381817241 has 8 divisors (see below), whose sum is σ = 413913024. Its totient is φ = 350110800.

The previous prime is 381817207. The next prime is 381817279. The reversal of 381817241 is 142718183.

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

It is not a de Polignac number, because 381817241 - 2²² = 377622937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381817201) 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, 95291 + ... + 99216.

It is an arithmetic number, because the mean of its divisors is an integer number (51739128).

Almost surely, 2^381817241 is an apocalyptic number.

It is an amenable number.

381817241 is a deficient number, since it is larger than the sum of its proper divisors (32095783).

381817241 is a wasteful number, since it uses less digits than its factorization.

381817241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194671.

The product of its digits is 10752, while the sum is 35.

The square root of 381817241 is about 19540.1443444003. The cubic root of 381817241 is about 725.4684192888.

The spelling of 381817241 in words is "three hundred eighty-one million, eight hundred seventeen thousand, two hundred forty-one".