98740257 has 16 divisors (see below), whose sum is σ = 164140032. Its totient is φ = 51293520.

The previous prime is 98740247. The next prime is 98740261. The reversal of 98740257 is 75204789.

It is not a de Polignac number, because 98740257 - 2⁸ = 98740001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98740237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213493 + ... + 213954.

It is an arithmetic number, because the mean of its divisors is an integer number (10258752).

Almost surely, 2^98740257 is an apocalyptic number.

It is an amenable number.

98740257 is a deficient number, since it is larger than the sum of its proper divisors (65399775).

98740257 is a wasteful number, since it uses less digits than its factorization.

98740257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427468.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 98740257 is about 9936.8132215515. The cubic root of 98740257 is about 462.2015714928.

The spelling of 98740257 in words is "ninety-eight million, seven hundred forty thousand, two hundred fifty-seven".