1098291904 has 28 divisors (see below), whose sum is σ = 2180624544. Its totient is φ = 548843264.

The previous prime is 1098291893. The next prime is 1098291923. The reversal of 1098291904 is 4091928901.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 153102 + ... + 160114.

It is an arithmetic number, because the mean of its divisors is an integer number (77879448).

Almost surely, 2^1098291904 is an apocalyptic number.

It is an amenable number.

1098291904 is a deficient number, since it is larger than the sum of its proper divisors (1082332640).

1098291904 is an equidigital number, since it uses as much as digits as its factorization.

1098291904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472 (or 9462 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 1098291904 is about 33140.4873832598. The cubic root of 1098291904 is about 1031.7455254617.

The spelling of 1098291904 in words is "one billion, ninety-eight million, two hundred ninety-one thousand, nine hundred four".