98983091 has 2 divisors, whose sum is σ = 98983092. Its totient is φ = 98983090.

The previous prime is 98983069. The next prime is 98983097. The reversal of 98983091 is 19038989.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98983091 is a prime.

It is not a weakly prime, because it can be changed into another prime (98983097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49491545 + 49491546.

It is an arithmetic number, because the mean of its divisors is an integer number (49491546).

Almost surely, 2^98983091 is an apocalyptic number.

98983091 is a deficient number, since it is larger than the sum of its proper divisors (1).

98983091 is an equidigital number, since it uses as much as digits as its factorization.

98983091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 98983091 is about 9949.0246255600. The cubic root of 98983091 is about 462.5801620001.

The spelling of 98983091 in words is "ninety-eight million, nine hundred eighty-three thousand, ninety-one".