381858248 has 32 divisors (see below), whose sum is σ = 741312000. Its totient is φ = 184212480.

The previous prime is 381858247. The next prime is 381858289. The reversal of 381858248 is 842858183.

It is not an unprimeable number, because it can be changed into a prime (381858247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86888 + ... + 91176.

It is an arithmetic number, because the mean of its divisors is an integer number (23166000).

Almost surely, 2^381858248 is an apocalyptic number.

It is an amenable number.

381858248 is a deficient number, since it is larger than the sum of its proper divisors (359453752).

381858248 is a wasteful number, since it uses less digits than its factorization.

381858248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685 (or 4681 counting only the distinct ones).

The product of its digits is 491520, while the sum is 47.

The square root of 381858248 is about 19541.1936175864. The cubic root of 381858248 is about 725.4943900198.

The spelling of 381858248 in words is "three hundred eighty-one million, eight hundred fifty-eight thousand, two hundred forty-eight".