1098505232 has 40 divisors (see below), whose sum is σ = 2323913760. Its totient is φ = 498874880.

The previous prime is 1098505229. The next prime is 1098505253. The reversal of 1098505232 is 2325058901.

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

It is a junction number, because it is equal to n+sod(n) for n = 1098505192 and 1098505201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271319 + ... + 275337.

It is an arithmetic number, because the mean of its divisors is an integer number (58097844).

Almost surely, 2^1098505232 is an apocalyptic number.

It is an amenable number.

1098505232 is an abundant number, since it is smaller than the sum of its proper divisors (1225408528).

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

1098505232 is a wasteful number, since it uses less digits than its factorization.

1098505232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591 (or 5585 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1098505232 is about 33143.7057674606. The cubic root of 1098505232 is about 1031.8123218995.

The spelling of 1098505232 in words is "one billion, ninety-eight million, five hundred five thousand, two hundred thirty-two".