1198646 has 8 divisors (see below), whose sum is σ = 1856064. Its totient is φ = 579960.

The previous prime is 1198643. The next prime is 1198651. The reversal of 1198646 is 6468911.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9605 + ... + 9728.

It is an arithmetic number, because the mean of its divisors is an integer number (232008).

2^1198646 is an apocalyptic number.

1198646 is a deficient number, since it is larger than the sum of its proper divisors (657418).

1198646 is a wasteful number, since it uses less digits than its factorization.

1198646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19366.

The product of its digits is 10368, while the sum is 35.

The square root of 1198646 is about 1094.8269269615. The cubic root of 1198646 is about 106.2258741070.

The spelling of 1198646 in words is "one million, one hundred ninety-eight thousand, six hundred forty-six".