1098552 has 64 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 289152.

The previous prime is 1098541. The next prime is 1098593. The reversal of 1098552 is 2558901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1933 + ... + 2435.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2^1098552 is an apocalyptic number.

1098552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1098552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693440).

1098552 is an abundant number, since it is smaller than the sum of its proper divisors (2288328).

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

1098552 is a wasteful number, since it uses less digits than its factorization.

1098552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1098552 is about 1048.1183139322. The cubic root of 1098552 is about 103.1826964559.

The spelling of 1098552 in words is "one million, ninety-eight thousand, five hundred fifty-two".