98864389 has 4 divisors (see below), whose sum is σ = 106469356. Its totient is φ = 91259424.

The previous prime is 98864387. The next prime is 98864413. The reversal of 98864389 is 98346889.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13616100 + 85248289 = 3690^2 + 9233^2 .

It is a cyclic number.

It is not a de Polignac number, because 98864389 - 2¹ = 98864387 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 (98864383) 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, 3802464 + ... + 3802489.

It is an arithmetic number, because the mean of its divisors is an integer number (26617339).

Almost surely, 2^98864389 is an apocalyptic number.

It is an amenable number.

98864389 is a deficient number, since it is larger than the sum of its proper divisors (7604967).

98864389 is a wasteful number, since it uses less digits than its factorization.

98864389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604966.

The product of its digits is 2985984, while the sum is 55.

The square root of 98864389 is about 9943.0573265973. The cubic root of 98864389 is about 462.3951770234.

The spelling of 98864389 in words is "ninety-eight million, eight hundred sixty-four thousand, three hundred eighty-nine".