1004442198 has 16 divisors (see below), whose sum is σ = 2028389376. Its totient is φ = 331563240.

The previous prime is 1004442143. The next prime is 1004442199. The reversal of 1004442198 is 8912444001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004442199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812038 + ... + 813273.

It is an arithmetic number, because the mean of its divisors is an integer number (126774336).

Almost surely, 2^1004442198 is an apocalyptic number.

1004442198 is an abundant number, since it is smaller than the sum of its proper divisors (1023947178).

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

1004442198 is a wasteful number, since it uses less digits than its factorization.

1004442198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625419.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1004442198 is about 31692.9360899239. The cubic root of 1004442198 is about 1001.4785454925.

Adding to 1004442198 its reverse (8912444001), we get a palindrome (9916886199).

The spelling of 1004442198 in words is "one billion, four million, four hundred forty-two thousand, one hundred ninety-eight".