249377494 has 8 divisors (see below), whose sum is σ = 377922888. Its totient is φ = 123403200.

The previous prime is 249377419. The next prime is 249377497. The reversal of 249377494 is 494773942.

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 (249377497) 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, 642532 + ... + 642919.

It is an arithmetic number, because the mean of its divisors is an integer number (47240361).

Almost surely, 2^249377494 is an apocalyptic number.

249377494 is a deficient number, since it is larger than the sum of its proper divisors (128545394).

249377494 is a wasteful number, since it uses less digits than its factorization.

249377494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285550.

The product of its digits is 1524096, while the sum is 49.

The square root of 249377494 is about 15791.6906631304. The cubic root of 249377494 is about 629.4372180825.

The spelling of 249377494 in words is "two hundred forty-nine million, three hundred seventy-seven thousand, four hundred ninety-four".