1098946 has 8 divisors (see below), whose sum is σ = 1659024. Its totient is φ = 545940.

The previous prime is 1098847. The next prime is 1098953. The reversal of 1098946 is 6498901.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360 + ... + 2011.

It is an arithmetic number, because the mean of its divisors is an integer number (207378).

2^1098946 is an apocalyptic number.

1098946 is a deficient number, since it is larger than the sum of its proper divisors (560078).

1098946 is a wasteful number, since it uses less digits than its factorization.

1098946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1098946 is about 1048.3062529624. The cubic root of 1098946 is about 103.1950306082.

The spelling of 1098946 in words is "one million, ninety-eight thousand, nine hundred forty-six".