998206950 has 120 divisors (see below), whose sum is σ = 2693352168. Its totient is φ = 244657920.

The previous prime is 998206943. The next prime is 998206967. The reversal of 998206950 is 59602899.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 998206950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4284034 + ... + 4284266.

Almost surely, 2^998206950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998206950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346676084).

998206950 is an abundant number, since it is smaller than the sum of its proper divisors (1695145218).

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

998206950 is a wasteful number, since it uses less digits than its factorization.

998206950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 998206950 is about 31594.4132719695. The cubic root of 998206950 is about 999.4019590850.

The spelling of 998206950 in words is "nine hundred ninety-eight million, two hundred six thousand, nine hundred fifty".