381941285 has 8 divisors (see below), whose sum is σ = 499995936. Its totient is φ = 277775440.

The previous prime is 381941257. The next prime is 381941291. The reversal of 381941285 is 582149183.

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

It is not a de Polignac number, because 381941285 - 2¹² = 381937189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3472139 + ... + 3472248.

It is an arithmetic number, because the mean of its divisors is an integer number (62499492).

Almost surely, 2^381941285 is an apocalyptic number.

It is an amenable number.

381941285 is a deficient number, since it is larger than the sum of its proper divisors (118054651).

381941285 is a wasteful number, since it uses less digits than its factorization.

381941285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944403.

The product of its digits is 69120, while the sum is 41.

The square root of 381941285 is about 19543.3181675989. The cubic root of 381941285 is about 725.5469736786.

The spelling of 381941285 in words is "three hundred eighty-one million, nine hundred forty-one thousand, two hundred eighty-five".