249494298 has 8 divisors (see below), whose sum is σ = 498988608. Its totient is φ = 83164764.

The previous prime is 249494281. The next prime is 249494309. The reversal of 249494298 is 892494942.

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

249494298 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 249494298.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20791186 + ... + 20791197.

It is an arithmetic number, because the mean of its divisors is an integer number (62373576).

Almost surely, 2^249494298 is an apocalyptic number.

249494298 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249494298 is a wasteful number, since it uses less digits than its factorization.

249494298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41582388.

The product of its digits is 1492992, while the sum is 51.

The square root of 249494298 is about 15795.3885042439. The cubic root of 249494298 is about 629.5354751573.

The spelling of 249494298 in words is "two hundred forty-nine million, four hundred ninety-four thousand, two hundred ninety-eight".