1098488 has 16 divisors (see below), whose sum is σ = 2094360. Its totient is φ = 540000.

The previous prime is 1098481. The next prime is 1098509. The reversal of 1098488 is 8848901.

It is a super-2 number, since 2×1098488² = 2413351772288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098481) 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, 638 + ... + 1613.

2^1098488 is an apocalyptic number.

It is an amenable number.

1098488 is a deficient number, since it is larger than the sum of its proper divisors (995872).

1098488 is a wasteful number, since it uses less digits than its factorization.

1098488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318 (or 2314 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 1098488 is about 1048.0877825831. The cubic root of 1098488 is about 103.1806926603.

It can be divided in two parts, 1098 and 488, that multiplied together give a square (535824 = 732²).

The spelling of 1098488 in words is "one million, ninety-eight thousand, four hundred eighty-eight".