98902091 has 2 divisors, whose sum is σ = 98902092. Its totient is φ = 98902090.

The previous prime is 98902057. The next prime is 98902099. The reversal of 98902091 is 19020989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98902091 - 2²² = 94707787 is a prime.

It is not a weakly prime, because it can be changed into another prime (98902099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49451045 + 49451046.

It is an arithmetic number, because the mean of its divisors is an integer number (49451046).

Almost surely, 2^98902091 is an apocalyptic number.

98902091 is a deficient number, since it is larger than the sum of its proper divisors (1).

98902091 is an equidigital number, since it uses as much as digits as its factorization.

98902091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 98902091 is about 9944.9530416186. The cubic root of 98902091 is about 462.4539477886.

The spelling of 98902091 in words is "ninety-eight million, nine hundred two thousand, ninety-one".