98550961 has 4 divisors (see below), whose sum is σ = 101949300. Its totient is φ = 95152624.

The previous prime is 98550937. The next prime is 98550979. The reversal of 98550961 is 16905589.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16905589 = 3907 ⋅4327.

It can be written as a sum of positive squares in 2 ways, for example, as 15649936 + 82901025 = 3956^2 + 9105^2 .

It is a cyclic number.

It is not a de Polignac number, because 98550961 - 2⁷ = 98550833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98550901) 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, 1699126 + ... + 1699183.

It is an arithmetic number, because the mean of its divisors is an integer number (25487325).

Almost surely, 2^98550961 is an apocalyptic number.

It is an amenable number.

98550961 is a deficient number, since it is larger than the sum of its proper divisors (3398339).

98550961 is a wasteful number, since it uses less digits than its factorization.

98550961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398338.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 98550961 is about 9927.2836667439. The cubic root of 98550961 is about 461.9060186887.

The spelling of 98550961 in words is "ninety-eight million, five hundred fifty thousand, nine hundred sixty-one".