98638051 has 2 divisors, whose sum is σ = 98638052. Its totient is φ = 98638050.

The previous prime is 98638021. The next prime is 98638073. The reversal of 98638051 is 15083689.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98638051 - 2²⁵ = 65083619 is a prime.

It is a super-3 number, since 3×98638051³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 98637995 and 98638013.

It is not a weakly prime, because it can be changed into another prime (98638021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49319025 + 49319026.

It is an arithmetic number, because the mean of its divisors is an integer number (49319026).

Almost surely, 2^98638051 is an apocalyptic number.

98638051 is a deficient number, since it is larger than the sum of its proper divisors (1).

98638051 is an equidigital number, since it uses as much as digits as its factorization.

98638051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 98638051 is about 9931.6690943668. The cubic root of 98638051 is about 462.0420415506.

The spelling of 98638051 in words is "ninety-eight million, six hundred thirty-eight thousand, fifty-one".