98991562 has 8 divisors (see below), whose sum is σ = 150703776. Its totient is φ = 48756972.

The previous prime is 98991551. The next prime is 98991569. The reversal of 98991562 is 26519989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (98991569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369238 + ... + 369505.

It is an arithmetic number, because the mean of its divisors is an integer number (18837972).

Almost surely, 2^98991562 is an apocalyptic number.

98991562 is a deficient number, since it is larger than the sum of its proper divisors (51712214).

98991562 is a wasteful number, since it uses less digits than its factorization.

98991562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738812.

The product of its digits is 349920, while the sum is 49.

The square root of 98991562 is about 9949.4503365764. The cubic root of 98991562 is about 462.5933575359.

The spelling of 98991562 in words is "ninety-eight million, nine hundred ninety-one thousand, five hundred sixty-two".