998955602 has 6 divisors (see below), whose sum is σ = 1498500453.
Its totient is φ = 499455452.
The previous prime is 998955599. The next prime is 998955631. The reversal of 998955602 is 206559899.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 864418801 + 134536801 = 29401^2 + 11599^2
It is an ABA number since it can be written as A⋅BA, here for A=2, B=22349.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 33524 + ... + 55872.
Almost surely, 2998955602 is an apocalyptic number.
998955602 is a deficient number, since it is larger than the sum of its proper divisors (499544851).
998955602 is an frugal number, since it uses more digits than its factorization.
998955602 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44700 (or 22351 counting only the distinct ones).
The product of its (nonzero) digits is 1749600, while the sum is 53.
The square root of 998955602 is about 31606.2589054763.
The cubic root of 998955602 is about 999.6517460666.
The spelling of 998955602 in words is "nine hundred ninety-eight million, nine hundred fifty-five thousand, six hundred two".