998591602 has 8 divisors (see below), whose sum is σ = 1509682176. Its totient is φ = 495364212.

The previous prime is 998591591. The next prime is 998591639. The reversal of 998591602 is 206195899.

998591602 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965478 + ... + 1965985.

It is an arithmetic number, because the mean of its divisors is an integer number (188710272).

Almost surely, 2^998591602 is an apocalyptic number.

998591602 is a deficient number, since it is larger than the sum of its proper divisors (511090574).

998591602 is a wasteful number, since it uses less digits than its factorization.

998591602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931592.

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 998591602 is about 31600.5000276894. The cubic root of 998591602 is about 999.5303134291.

The spelling of 998591602 in words is "nine hundred ninety-eight million, five hundred ninety-one thousand, six hundred two".