249128374 has 8 divisors (see below), whose sum is σ = 407664648. Its totient is φ = 113240160.

The previous prime is 249128371. The next prime is 249128381. The reversal of 249128374 is 473821942.

249128374 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249128371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5661987 + ... + 5662030.

It is an arithmetic number, because the mean of its divisors is an integer number (50958081).

Almost surely, 2^249128374 is an apocalyptic number.

249128374 is a deficient number, since it is larger than the sum of its proper divisors (158536274).

249128374 is a wasteful number, since it uses less digits than its factorization.

249128374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11324030.

The product of its digits is 96768, while the sum is 40.

The square root of 249128374 is about 15783.8009997592. The cubic root of 249128374 is about 629.2275524858.

The spelling of 249128374 in words is "two hundred forty-nine million, one hundred twenty-eight thousand, three hundred seventy-four".