1098345472 has 88 divisors (see below), whose sum is σ = 2547843584. Its totient is φ = 463491072.

The previous prime is 1098345463. The next prime is 1098345487. The reversal of 1098345472 is 2745438901.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479113 + ... + 481399.

It is an arithmetic number, because the mean of its divisors is an integer number (28952768).

Almost surely, 2^1098345472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1098345472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1273921792).

1098345472 is an abundant number, since it is smaller than the sum of its proper divisors (1449498112).

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

1098345472 is an equidigital number, since it uses as much as digits as its factorization.

1098345472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381 (or 2363 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 1098345472 is about 33141.2955691234. The cubic root of 1098345472 is about 1031.7622992798.

The spelling of 1098345472 in words is "one billion, ninety-eight million, three hundred forty-five thousand, four hundred seventy-two".