1604198 has 8 divisors (see below), whose sum is σ = 2420280. Its totient is φ = 797440.

The previous prime is 1604191. The next prime is 1604231. The reversal of 1604198 is 8914061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 1604198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604191) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1883 + ... + 2598.

It is an arithmetic number, because the mean of its divisors is an integer number (302535).

2^1604198 is an apocalyptic number.

1604198 is a deficient number, since it is larger than the sum of its proper divisors (816082).

1604198 is a wasteful number, since it uses less digits than its factorization.

1604198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1604198 is about 1266.5693822290. The cubic root of 1604198 is about 117.0629120831.

The spelling of 1604198 in words is "one million, six hundred four thousand, one hundred ninety-eight".