98988993 has 16 divisors (see below), whose sum is σ = 154369600. Its totient is φ = 62519040.

The previous prime is 98988991. The next prime is 98989019. The reversal of 98988993 is 39988989.

It is not a de Polignac number, because 98988993 - 2¹ = 98988991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98988993.

It is not an unprimeable number, because it can be changed into a prime (98988991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95968 + ... + 96993.

It is an arithmetic number, because the mean of its divisors is an integer number (9648100).

Almost surely, 2^98988993 is an apocalyptic number.

It is an amenable number.

98988993 is a deficient number, since it is larger than the sum of its proper divisors (55380607).

98988993 is a wasteful number, since it uses less digits than its factorization.

98988993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192989 (or 192983 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 63.

The square root of 98988993 is about 9949.3212331294. The cubic root of 98988993 is about 462.5893558056.

The spelling of 98988993 in words is "ninety-eight million, nine hundred eighty-eight thousand, nine hundred ninety-three".