98455891 has 24 divisors (see below), whose sum is σ = 112251744. Its totient is φ = 86019840.

The previous prime is 98455879. The next prime is 98455909. The reversal of 98455891 is 19855489.

It is not a de Polignac number, because 98455891 - 2⁵ = 98455859 is a prime.

It is a Duffinian number.

Its product of digits (518400) is a multiple of the sum of its prime divisors (360).

It is not an unprimeable number, because it can be changed into a prime (98455871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374226 + ... + 374488.

It is an arithmetic number, because the mean of its divisors is an integer number (4677156).

Almost surely, 2^98455891 is an apocalyptic number.

98455891 is a deficient number, since it is larger than the sum of its proper divisors (13795853).

98455891 is a wasteful number, since it uses less digits than its factorization.

98455891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 360 counting only the distinct ones).

The product of its digits is 518400, while the sum is 49.

The square root of 98455891 is about 9922.4941924901. The cubic root of 98455891 is about 461.7574406228.

The spelling of 98455891 in words is "ninety-eight million, four hundred fifty-five thousand, eight hundred ninety-one".