98944989 has 64 divisors (see below), whose sum is σ = 166656000. Its totient is φ = 51321600.

The previous prime is 98944973. The next prime is 98944991.

98944989 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 98944989 - 2⁴ = 98944973 is a prime.

It is a super-2 number, since 2×98944989² = 19580221696420242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98944939) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 497112 + ... + 497310.

It is an arithmetic number, because the mean of its divisors is an integer number (2604000).

Almost surely, 2^98944989 is an apocalyptic number.

It is an amenable number.

98944989 is a deficient number, since it is larger than the sum of its proper divisors (67711011).

98944989 is a wasteful number, since it uses less digits than its factorization.

98944989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306.

The product of its digits is 6718464, while the sum is 60.

The square root of 98944989 is about 9947.1095801745. The cubic root of 98944989 is about 462.5208000385.

The spelling of 98944989 in words is "ninety-eight million, nine hundred forty-four thousand, nine hundred eighty-nine".