1606198 has 8 divisors (see below), whose sum is σ = 2628360. Its totient is φ = 730080.

The previous prime is 1606153. The next prime is 1606201. The reversal of 1606198 is 8916061.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36483 + ... + 36526.

It is an arithmetic number, because the mean of its divisors is an integer number (328545).

2^1606198 is an apocalyptic number.

1606198 is a deficient number, since it is larger than the sum of its proper divisors (1022162).

1606198 is a wasteful number, since it uses less digits than its factorization.

1606198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73022.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1606198 is about 1267.3586706217. The cubic root of 1606198 is about 117.1115404516. Note that the first 3 decimals are identical.

The spelling of 1606198 in words is "one million, six hundred six thousand, one hundred ninety-eight".