98638340 has 12 divisors (see below), whose sum is σ = 207140556. Its totient is φ = 39455328.

The previous prime is 98638327. The next prime is 98638343. The reversal of 98638340 is 4383689.

It can be written as a sum of positive squares in 2 ways, for example, as 20775364 + 77862976 = 4558^2 + 8824^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (98638343) 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, 2465939 + ... + 2465978.

It is an arithmetic number, because the mean of its divisors is an integer number (17261713).

Almost surely, 2^98638340 is an apocalyptic number.

It is an amenable number.

98638340 is an abundant number, since it is smaller than the sum of its proper divisors (108502216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98638340 is a wasteful number, since it uses less digits than its factorization.

98638340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931926 (or 4931924 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 98638340 is about 9931.6836437736. The cubic root of 98638340 is about 462.0424927964.

The spelling of 98638340 in words is "ninety-eight million, six hundred thirty-eight thousand, three hundred forty".