381485371 has 8 divisors (see below), whose sum is σ = 387052560. Its totient is φ = 375927552.

The previous prime is 381485369. The next prime is 381485387. The reversal of 381485371 is 173584183.

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 381485371 - 2¹ = 381485369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381485311) 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, 144915 + ... + 147523.

It is an arithmetic number, because the mean of its divisors is an integer number (48381570).

Almost surely, 2^381485371 is an apocalyptic number.

381485371 is a deficient number, since it is larger than the sum of its proper divisors (5567189).

381485371 is a wasteful number, since it uses less digits than its factorization.

381485371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685.

The product of its digits is 80640, while the sum is 40.

The square root of 381485371 is about 19531.6504934939. The cubic root of 381485371 is about 725.2581694908.

The spelling of 381485371 in words is "three hundred eighty-one million, four hundred eighty-five thousand, three hundred seventy-one".