998775050 has 192 divisors, whose sum is σ = 2417178624. Its totient is φ = 298598400.

The previous prime is 998775017. The next prime is 998775059. The reversal of 998775050 is 50577899.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 998775050.

It is not an unprimeable number, because it can be changed into a prime (998775059) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10296602 + ... + 10296698.

It is an arithmetic number, because the mean of its divisors is an integer number (12589472).

Almost surely, 2^998775050 is an apocalyptic number.

998775050 is an abundant number, since it is smaller than the sum of its proper divisors (1418403574).

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

998775050 is a wasteful number, since it uses less digits than its factorization.

998775050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 50.

The square root of 998775050 is about 31603.4025066922. The cubic root of 998775050 is about 999.5915164973.

The spelling of 998775050 in words is "nine hundred ninety-eight million, seven hundred seventy-five thousand, fifty".