381956041 has 8 divisors (see below), whose sum is σ = 392044968. Its totient is φ = 371904000.

The previous prime is 381955997. The next prime is 381956063. The reversal of 381956041 is 140659183.

It can be written as a sum of positive squares in 4 ways, for example, as 1550025 + 380406016 = 1245^2 + 19504^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 381956041 - 2⁷ = 381955913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381957041) 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, 12421 + ... + 30301.

It is an arithmetic number, because the mean of its divisors is an integer number (49005621).

Almost surely, 2^381956041 is an apocalyptic number.

It is an amenable number.

381956041 is a deficient number, since it is larger than the sum of its proper divisors (10088927).

381956041 is a wasteful number, since it uses less digits than its factorization.

381956041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18443.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 381956041 is about 19543.6956842865. The cubic root of 381956041 is about 725.5563172031.

The spelling of 381956041 in words is "three hundred eighty-one million, nine hundred fifty-six thousand, forty-one".