98020261 has 16 divisors (see below), whose sum is σ = 103642560. Its totient is φ = 92574720.

The previous prime is 98020253. The next prime is 98020309. The reversal of 98020261 is 16202089.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 98020261 - 2³ = 98020253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98020201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464446 + ... + 464656.

It is an arithmetic number, because the mean of its divisors is an integer number (6477660).

Almost surely, 2^98020261 is an apocalyptic number.

It is an amenable number.

98020261 is a deficient number, since it is larger than the sum of its proper divisors (5622299).

98020261 is a wasteful number, since it uses less digits than its factorization.

98020261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 98020261 is about 9900.5182187601. The cubic root of 98020261 is about 461.0753998225.

The spelling of 98020261 in words is "ninety-eight million, twenty thousand, two hundred sixty-one".