98904517 has 4 divisors (see below), whose sum is σ = 98956620. Its totient is φ = 98852416.

The previous prime is 98904503. The next prime is 98904527. The reversal of 98904517 is 71540989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64224196 + 34680321 = 8014^2 + 5889^2 .

It is a cyclic number.

It is not a de Polignac number, because 98904517 - 2¹⁹ = 98380229 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 (98904527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23092 + ... + 27037.

It is an arithmetic number, because the mean of its divisors is an integer number (24739155).

Almost surely, 2^98904517 is an apocalyptic number.

It is an amenable number.

98904517 is a deficient number, since it is larger than the sum of its proper divisors (52103).

98904517 is a wasteful number, since it uses less digits than its factorization.

98904517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52102.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 98904517 is about 9945.0750122862. The cubic root of 98904517 is about 462.4577289830.

The spelling of 98904517 in words is "ninety-eight million, nine hundred four thousand, five hundred seventeen".