1098633 has 4 divisors (see below), whose sum is σ = 1464848. Its totient is φ = 732420.

The previous prime is 1098631. The next prime is 1098649. The reversal of 1098633 is 3368901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1098633 - 2¹ = 1098631 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1098633.

It is not an unprimeable number, because it can be changed into a prime (1098631) 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, 183103 + ... + 183108.

It is an arithmetic number, because the mean of its divisors is an integer number (366212).

2^1098633 is an apocalyptic number.

It is an amenable number.

1098633 is a deficient number, since it is larger than the sum of its proper divisors (366215).

1098633 is an equidigital number, since it uses as much as digits as its factorization.

1098633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366214.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1098633 is about 1048.1569538957. The cubic root of 1098633 is about 103.1852323980.

The spelling of 1098633 in words is "one million, ninety-eight thousand, six hundred thirty-three".