381907941 has 16 divisors (see below), whose sum is σ = 556558848. Its totient is φ = 231897600.

The previous prime is 381907909. The next prime is 381907949. The reversal of 381907941 is 149709183.

It is a happy number.

It is not a de Polignac number, because 381907941 - 2⁵ = 381907909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381907893 and 381907902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381907949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119200 + ... + 122361.

It is an arithmetic number, because the mean of its divisors is an integer number (34784928).

Almost surely, 2^381907941 is an apocalyptic number.

381907941 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

381907941 is a deficient number, since it is larger than the sum of its proper divisors (174650907).

381907941 is a wasteful number, since it uses less digits than its factorization.

381907941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241612.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 381907941 is about 19542.4650696886. The cubic root of 381907941 is about 725.5258593142.

The spelling of 381907941 in words is "three hundred eighty-one million, nine hundred seven thousand, nine hundred forty-one".