98718961 has 4 divisors (see below), whose sum is σ = 107693424. Its totient is φ = 89744500.

The previous prime is 98718959. The next prime is 98718979. The reversal of 98718961 is 16981789.

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 98718961 - 2¹ = 98718959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98718901) 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, 4487215 + ... + 4487236.

It is an arithmetic number, because the mean of its divisors is an integer number (26923356).

Almost surely, 2^98718961 is an apocalyptic number.

It is an amenable number.

98718961 is a deficient number, since it is larger than the sum of its proper divisors (8974463).

98718961 is a wasteful number, since it uses less digits than its factorization.

98718961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8974462.

The product of its digits is 217728, while the sum is 49.

The square root of 98718961 is about 9935.7415928556. The cubic root of 98718961 is about 462.1683403580.

The spelling of 98718961 in words is "ninety-eight million, seven hundred eighteen thousand, nine hundred sixty-one".