98943891 has 8 divisors (see below), whose sum is σ = 134088144. Its totient is φ = 64881120.

The previous prime is 98943877. The next prime is 98943941. The reversal of 98943891 is 19834989.

It is a happy number.

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

It is not a de Polignac number, because 98943891 - 2⁶ = 98943827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98943851) 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, 270156 + ... + 270521.

It is an arithmetic number, because the mean of its divisors is an integer number (16761018).

Almost surely, 2^98943891 is an apocalyptic number.

98943891 is a deficient number, since it is larger than the sum of its proper divisors (35144253).

98943891 is a wasteful number, since it uses less digits than its factorization.

98943891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540741.

The product of its digits is 559872, while the sum is 51.

The square root of 98943891 is about 9947.0543881091. The cubic root of 98943891 is about 462.5190891561.

The spelling of 98943891 in words is "ninety-eight million, nine hundred forty-three thousand, eight hundred ninety-one".