999628034598 has 48 divisors (see below), whose sum is σ = 2299873389840. Its totient is φ = 312704990208.

The previous prime is 999628034597. The next prime is 999628034611. The reversal of 999628034598 is 895430826999.

999628034598 is a `hidden beast` number, since 9 + 9 + 9 + 6 + 28 + 0 + 3 + 4 + 598 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999628034597) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4600963 + ... + 4813326.

It is an arithmetic number, because the mean of its divisors is an integer number (47914028955).

Almost surely, 2^999628034598 is an apocalyptic number.

999628034598 is an abundant number, since it is smaller than the sum of its proper divisors (1300245355242).

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

999628034598 is a wasteful number, since it uses less digits than its factorization.

999628034598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9414661 (or 9414658 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 72.

The spelling of 999628034598 in words is "nine hundred ninety-nine billion, six hundred twenty-eight million, thirty-four thousand, five hundred ninety-eight".