1004198 has 12 divisors (see below), whose sum is σ = 1631628. Its totient is φ = 463320.

The previous prime is 1004167. The next prime is 1004209. The reversal of 1004198 is 8914001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1148 + ... + 1823.

It is an arithmetic number, because the mean of its divisors is an integer number (135969).

2^1004198 is an apocalyptic number.

1004198 is a deficient number, since it is larger than the sum of its proper divisors (627430).

1004198 is a wasteful number, since it uses less digits than its factorization.

1004198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999 (or 2986 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1004198 is about 1002.0968017113. The cubic root of 1004198 is about 100.1397379754.

Adding to 1004198 its reverse (8914001), we get a palindrome (9918199).

The spelling of 1004198 in words is "one million, four thousand, one hundred ninety-eight".