98444893 has 4 divisors (see below), whose sum is σ = 98498268. Its totient is φ = 98391520.

The previous prime is 98444887. The next prime is 98444897. The reversal of 98444893 is 39844489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39844489 = 139 ⋅286651.

It can be written as a sum of positive squares in 2 ways, for example, as 65577604 + 32867289 = 8098^2 + 5733^2 .

It is a cyclic number.

It is not a de Polignac number, because 98444893 - 2¹⁷ = 98313821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98444897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23818 + ... + 27643.

It is an arithmetic number, because the mean of its divisors is an integer number (24624567).

Almost surely, 2^98444893 is an apocalyptic number.

98444893 is the 5304-th centered heptagonal number.

It is an amenable number.

98444893 is a deficient number, since it is larger than the sum of its proper divisors (53375).

98444893 is a wasteful number, since it uses less digits than its factorization.

98444893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53374.

The product of its digits is 995328, while the sum is 49.

The square root of 98444893 is about 9921.9399816770. The cubic root of 98444893 is about 461.7402464682.

The spelling of 98444893 in words is "ninety-eight million, four hundred forty-four thousand, eight hundred ninety-three".