1098366528 has 56 divisors (see below), whose sum is σ = 3321255232. Its totient is φ = 313818624.

The previous prime is 1098366527. The next prime is 1098366539. The reversal of 1098366528 is 8256638901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1098366527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407275 + ... + 409962.

Almost surely, 2^1098366528 is an apocalyptic number.

It is an amenable number.

1098366528 is an abundant number, since it is smaller than the sum of its proper divisors (2222888704).

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

1098366528 is an equidigital number, since it uses as much as digits as its factorization.

1098366528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817259 (or 817249 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 1098366528 is about 33141.6132377409. The cubic root of 1098366528 is about 1031.7688924233.

The spelling of 1098366528 in words is "one billion, ninety-eight million, three hundred sixty-six thousand, five hundred twenty-eight".