1098963 has 12 divisors (see below), whose sum is σ = 1656720. Its totient is φ = 700656.

The previous prime is 1098953. The next prime is 1098967. The reversal of 1098963 is 3698901.

It is not a de Polignac number, because 1098963 - 2⁸ = 1098707 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1098967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2448 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (138060).

2^1098963 is an apocalyptic number.

1098963 is a deficient number, since it is larger than the sum of its proper divisors (557757).

1098963 is a wasteful number, since it uses less digits than its factorization.

1098963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338 (or 5335 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1098963 is about 1048.3143612486. The cubic root of 1098963 is about 103.1955627261.

The spelling of 1098963 in words is "one million, ninety-eight thousand, nine hundred sixty-three".