98819641 has 4 divisors (see below), whose sum is σ = 98922384. Its totient is φ = 98716900.

The previous prime is 98819639. The next prime is 98819671. The reversal of 98819641 is 14691889.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14691889 = 3833².

It is a cyclic number.

It is not a de Polignac number, because 98819641 - 2¹ = 98819639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98819591 and 98819600.

It is not an unprimeable number, because it can be changed into a prime (98819621) 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, 49915 + ... + 51856.

It is an arithmetic number, because the mean of its divisors is an integer number (24730596).

Almost surely, 2^98819641 is an apocalyptic number.

It is an amenable number.

98819641 is a deficient number, since it is larger than the sum of its proper divisors (102743).

98819641 is a wasteful number, since it uses less digits than its factorization.

98819641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102742.

The product of its digits is 124416, while the sum is 46.

The square root of 98819641 is about 9940.8068586006. The cubic root of 98819641 is about 462.3254033933.

The spelling of 98819641 in words is "ninety-eight million, eight hundred nineteen thousand, six hundred forty-one".