381858283 has 16 divisors (see below), whose sum is σ = 402732000. Its totient is φ = 361573632.

The previous prime is 381858247. The next prime is 381858289. The reversal of 381858283 is 382858183.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381858283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381858289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337663 + ... + 338791.

It is an arithmetic number, because the mean of its divisors is an integer number (25170750).

Almost surely, 2^381858283 is an apocalyptic number.

381858283 is a deficient number, since it is larger than the sum of its proper divisors (20873717).

381858283 is a wasteful number, since it uses less digits than its factorization.

381858283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its digits is 368640, while the sum is 46.

The square root of 381858283 is about 19541.1945131305. The cubic root of 381858283 is about 725.4944121853.

The spelling of 381858283 in words is "three hundred eighty-one million, eight hundred fifty-eight thousand, two hundred eighty-three".