1098544 has 10 divisors (see below), whose sum is σ = 2128460. Its totient is φ = 549264.

The previous prime is 1098541. The next prime is 1098593. The reversal of 1098544 is 4458901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1098541) 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 as a sum of consecutive naturals, namely, 34314 + ... + 34345.

It is an arithmetic number, because the mean of its divisors is an integer number (212846).

2^1098544 is an apocalyptic number.

It is an amenable number.

1098544 is a deficient number, since it is larger than the sum of its proper divisors (1029916).

1098544 is an equidigital number, since it uses as much as digits as its factorization.

1098544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68667 (or 68661 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1098544 is about 1048.1144975622. The cubic root of 1098544 is about 103.1824459857.

The spelling of 1098544 in words is "one million, ninety-eight thousand, five hundred forty-four".