249359898 has 8 divisors (see below), whose sum is σ = 498719808. Its totient is φ = 83119964.

The previous prime is 249359879. The next prime is 249359917. The reversal of 249359898 is 898953942.

It is an interprime number because it is at equal distance from previous prime (249359879) and next prime (249359917).

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

249359898 is an admirable number.

It is an unprimeable number.

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, 20779986 + ... + 20779997.

It is an arithmetic number, because the mean of its divisors is an integer number (62339976).

Almost surely, 2^249359898 is an apocalyptic number.

249359898 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.

249359898 is a wasteful number, since it uses less digits than its factorization.

249359898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41559988.

The product of its digits is 5598720, while the sum is 57.

The square root of 249359898 is about 15791.1335248613. The cubic root of 249359898 is about 629.4224134349.

The spelling of 249359898 in words is "two hundred forty-nine million, three hundred fifty-nine thousand, eight hundred ninety-eight".