1098748 has 12 divisors (see below), whose sum is σ = 2197552. Its totient is φ = 470880.

The previous prime is 1098737. The next prime is 1098787. The reversal of 1098748 is 8478901.

1098748 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19593 + ... + 19648.

2^1098748 is an apocalyptic number.

It is an amenable number.

1098748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1098748 is a wasteful number, since it uses less digits than its factorization.

1098748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39252 (or 39250 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1098748 is about 1048.2118106566. The cubic root of 1098748 is about 103.1888325957.

The spelling of 1098748 in words is "one million, ninety-eight thousand, seven hundred forty-eight".