379128249 has 16 divisors (see below), whose sum is σ = 563216640. Its totient is φ = 252056880.

The previous prime is 379128247. The next prime is 379128259. The reversal of 379128249 is 942821973.

It is not a de Polignac number, because 379128249 - 2¹ = 379128247 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (379128247) 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, 9222 + ... + 29039.

It is an arithmetic number, because the mean of its divisors is an integer number (35201040).

Almost surely, 2^379128249 is an apocalyptic number.

It is an amenable number.

379128249 is a deficient number, since it is larger than the sum of its proper divisors (184088391).

379128249 is a wasteful number, since it uses less digits than its factorization.

379128249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38637 (or 38631 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 379128249 is about 19471.2159096447. The cubic root of 379128249 is about 723.7613405294.

The spelling of 379128249 in words is "three hundred seventy-nine million, one hundred twenty-eight thousand, two hundred forty-nine".