98561043 has 24 divisors (see below), whose sum is σ = 168732928. Its totient is φ = 56319624.

The previous prime is 98561039. The next prime is 98561051. The reversal of 98561043 is 34016589.

98561043 is a `hidden beast` number, since 98 + 561 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 98561043 - 2² = 98561039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98560989 and 98561007.

It is not an unprimeable number, because it can be changed into a prime (98561063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27271 + ... + 30672.

Almost surely, 2^98561043 is an apocalyptic number.

98561043 is a deficient number, since it is larger than the sum of its proper divisors (70171885).

98561043 is an equidigital number, since it uses as much as digits as its factorization.

98561043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57965 (or 57953 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 98561043 is about 9927.7914462382. The cubic root of 98561043 is about 461.9217695167.

The spelling of 98561043 in words is "ninety-eight million, five hundred sixty-one thousand, forty-three".