98464639 has 12 divisors (see below), whose sum is σ = 121854576. Its totient is φ = 77905152.

The previous prime is 98464637. The next prime is 98464661. The reversal of 98464639 is 93646489.

It is not a de Polignac number, because 98464639 - 2¹ = 98464637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98464592 and 98464601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98464637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40434 + ... + 42799.

It is an arithmetic number, because the mean of its divisors is an integer number (10154548).

Almost surely, 2^98464639 is an apocalyptic number.

98464639 is a deficient number, since it is larger than the sum of its proper divisors (23389937).

98464639 is a wasteful number, since it uses less digits than its factorization.

98464639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83266 (or 83253 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 49.

The square root of 98464639 is about 9922.9349992832. The cubic root of 98464639 is about 461.7711162374.

It can be divided in two parts, 9 and 8464639, that added together give a palindrome (8464648).

The spelling of 98464639 in words is "ninety-eight million, four hundred sixty-four thousand, six hundred thirty-nine".