998352730 has 8 divisors (see below), whose sum is σ = 1797034932. Its totient is φ = 399341088.

The previous prime is 998352673. The next prime is 998352731. The reversal of 998352730 is 37253899.

It can be written as a sum of positive squares in 2 ways, for example, as 932141961 + 66210769 = 30531^2 + 8137^2 .

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

It is not an unprimeable number, because it can be changed into a prime (998352731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49917627 + ... + 49917646.

Almost surely, 2^998352730 is an apocalyptic number.

998352730 is a deficient number, since it is larger than the sum of its proper divisors (798682202).

998352730 is a wasteful number, since it uses less digits than its factorization.

998352730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99835280.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 998352730 is about 31596.7202411896. The cubic root of 998352730 is about 999.4506082240.

The spelling of 998352730 in words is "nine hundred ninety-eight million, three hundred fifty-two thousand, seven hundred thirty".