98160421 has 2 divisors, whose sum is σ = 98160422. Its totient is φ = 98160420.

The previous prime is 98160347. The next prime is 98160449. The reversal of 98160421 is 12406189.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88924900 + 9235521 = 9430^2 + 3039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98160421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98160451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49080210 + 49080211.

It is an arithmetic number, because the mean of its divisors is an integer number (49080211).

Almost surely, 2^98160421 is an apocalyptic number.

It is an amenable number.

98160421 is a deficient number, since it is larger than the sum of its proper divisors (1).

98160421 is an equidigital number, since it uses as much as digits as its factorization.

98160421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 98160421 is about 9907.5941075520. The cubic root of 98160421 is about 461.2950603618.

The spelling of 98160421 in words is "ninety-eight million, one hundred sixty thousand, four hundred twenty-one".