381588249 has 32 divisors (see below), whose sum is σ = 597790720. Its totient is φ = 212015232.

The previous prime is 381588247. The next prime is 381588329. The reversal of 381588249 is 942885183.

It is not a de Polignac number, because 381588249 - 2¹ = 381588247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381588198 and 381588207.

It is not an unprimeable number, because it can be changed into a prime (381588247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109437 + ... + 112869.

It is an arithmetic number, because the mean of its divisors is an integer number (18680960).

Almost surely, 2^381588249 is an apocalyptic number.

It is an amenable number.

381588249 is a deficient number, since it is larger than the sum of its proper divisors (216202471).

381588249 is a wasteful number, since it uses less digits than its factorization.

381588249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589.

The product of its digits is 552960, while the sum is 48.

The square root of 381588249 is about 19534.2839387575. The cubic root of 381588249 is about 725.3233588877.

The spelling of 381588249 in words is "three hundred eighty-one million, five hundred eighty-eight thousand, two hundred forty-nine".