1098648627 has 4 divisors (see below), whose sum is σ = 1464864840. Its totient is φ = 732432416.

The previous prime is 1098648623. The next prime is 1098648689. The reversal of 1098648627 is 7268468901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1098648627 - 2² = 1098648623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1098648627.

It is not an unprimeable number, because it can be changed into a prime (1098648623) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 183108102 + ... + 183108107.

It is an arithmetic number, because the mean of its divisors is an integer number (366216210).

Almost surely, 2^1098648627 is an apocalyptic number.

1098648627 is a deficient number, since it is larger than the sum of its proper divisors (366216213).

1098648627 is an equidigital number, since it uses as much as digits as its factorization.

1098648627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366216212.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 1098648627 is about 33145.8689281183. The cubic root of 1098648627 is about 1031.8572163270.

The spelling of 1098648627 in words is "one billion, ninety-eight million, six hundred forty-eight thousand, six hundred twenty-seven".