98638001 has 32 divisors (see below), whose sum is σ = 130031616. Its totient is φ = 72651600.

The previous prime is 98637991. The next prime is 98638009. The reversal of 98638001 is 10083689.

It is not a de Polignac number, because 98638001 - 2¹⁴ = 98621617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98638009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2293886 + ... + 2293928.

It is an arithmetic number, because the mean of its divisors is an integer number (4063488).

Almost surely, 2^98638001 is an apocalyptic number.

It is an amenable number.

98638001 is a deficient number, since it is larger than the sum of its proper divisors (31393615).

98638001 is an equidigital number, since it uses as much as digits as its factorization.

98638001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 98638001 is about 9931.6665771662. Note that the first 3 decimals coincide. The cubic root of 98638001 is about 462.0419634803.

The spelling of 98638001 in words is "ninety-eight million, six hundred thirty-eight thousand, one".