598261998 has 8 divisors (see below), whose sum is σ = 1196524008. Its totient is φ = 199420664.

The previous prime is 598261981. The next prime is 598262009. The reversal of 598261998 is 899162895.

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

598261998 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49855161 + ... + 49855172.

It is an arithmetic number, because the mean of its divisors is an integer number (149565501).

Almost surely, 2^598261998 is an apocalyptic number.

598261998 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.

598261998 is a wasteful number, since it uses less digits than its factorization.

598261998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99710338.

The product of its digits is 2799360, while the sum is 57.

The square root of 598261998 is about 24459.3948821307. The cubic root of 598261998 is about 842.6174956690.

The spelling of 598261998 in words is "five hundred ninety-eight million, two hundred sixty-one thousand, nine hundred ninety-eight".