1098763 has 4 divisors (see below), whose sum is σ = 1102608. Its totient is φ = 1094920.

The previous prime is 1098737. The next prime is 1098787. The reversal of 1098763 is 3678901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3678901 = 821 ⋅4481.

It is a cyclic number.

It is not a de Polignac number, because 1098763 - 2⁵ = 1098731 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1098463) by changing a digit.

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, 1456 + ... + 2077.

It is an arithmetic number, because the mean of its divisors is an integer number (275652).

2^1098763 is an apocalyptic number.

1098763 is a deficient number, since it is larger than the sum of its proper divisors (3845).

1098763 is an equidigital number, since it uses as much as digits as its factorization.

1098763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1098763 is about 1048.2189656746. The cubic root of 1098763 is about 103.1893021681.

The spelling of 1098763 in words is "one million, ninety-eight thousand, seven hundred sixty-three".