998598049 has 8 divisors (see below), whose sum is σ = 1021144320. Its totient is φ = 976106016.

The previous prime is 998598047. The next prime is 998598089. The reversal of 998598049 is 940895899.

998598049 is digitally balanced in base 2, 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 cyclic number.

It is not a de Polignac number, because 998598049 - 2¹ = 998598047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998598047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24892 + ... + 51154.

It is an arithmetic number, because the mean of its divisors is an integer number (127643040).

Almost surely, 2^998598049 is an apocalyptic number.

It is an amenable number.

998598049 is a deficient number, since it is larger than the sum of its proper divisors (22546271).

998598049 is a wasteful number, since it uses less digits than its factorization.

998598049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27119.

The product of its (nonzero) digits is 8398080, while the sum is 61.

The square root of 998598049 is about 31600.6020354043. The cubic root of 998598049 is about 999.5324644446.

The spelling of 998598049 in words is "nine hundred ninety-eight million, five hundred ninety-eight thousand, forty-nine".