998050950 has 384 divisors, whose sum is σ = 3206044800. Its totient is φ = 226437120.

The previous prime is 998050939. The next prime is 998050957. The reversal of 998050950 is 59050899.

998050950 is a `hidden beast` number, since 9 + 98 + 0 + 509 + 50 = 666.

It is a super-2 number, since 2×998050950² = 1992211397591805000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 998050896 and 998050905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998050957) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 18831124 + ... + 18831176.

It is an arithmetic number, because the mean of its divisors is an integer number (8349075).

Almost surely, 2^998050950 is an apocalyptic number.

998050950 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 998050950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603022400).

998050950 is an abundant number, since it is smaller than the sum of its proper divisors (2207993850).

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

998050950 is a wasteful number, since it uses less digits than its factorization.

998050950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 45.

The square root of 998050950 is about 31591.9443846054. The cubic root of 998050950 is about 999.3498941206.

The spelling of 998050950 in words is "nine hundred ninety-eight million, fifty thousand, nine hundred fifty".