98440261 has 4 divisors (see below), whose sum is σ = 100108800. Its totient is φ = 96771724.

The previous prime is 98440247. The next prime is 98440333. The reversal of 98440261 is 16204489.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98440261 - 2¹¹ = 98438213 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 (98440361) 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 in 3 ways as a sum of consecutive naturals, for example, 834181 + ... + 834298.

It is an arithmetic number, because the mean of its divisors is an integer number (25027200).

Almost surely, 2^98440261 is an apocalyptic number.

It is an amenable number.

98440261 is a deficient number, since it is larger than the sum of its proper divisors (1668539).

98440261 is a wasteful number, since it uses less digits than its factorization.

98440261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668538.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 98440261 is about 9921.7065568379. The cubic root of 98440261 is about 461.7330044661.

The spelling of 98440261 in words is "ninety-eight million, four hundred forty thousand, two hundred sixty-one".