98481891 has 8 divisors (see below), whose sum is σ = 133108240. Its totient is φ = 64755072.

The previous prime is 98481863. The next prime is 98481913. The reversal of 98481891 is 19818489.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98481891 - 2⁷ = 98481763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98481891.

It is not an unprimeable number, because it can be changed into a prime (98481821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224626 + ... + 225063.

It is an arithmetic number, because the mean of its divisors is an integer number (16638530).

Almost surely, 2^98481891 is an apocalyptic number.

98481891 is a deficient number, since it is larger than the sum of its proper divisors (34626349).

98481891 is a wasteful number, since it uses less digits than its factorization.

98481891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449765.

The product of its digits is 165888, while the sum is 48.

The square root of 98481891 is about 9923.8042604638. The cubic root of 98481891 is about 461.7980836515.

The spelling of 98481891 in words is "ninety-eight million, four hundred eighty-one thousand, eight hundred ninety-one".