98347391 has 2 divisors, whose sum is σ = 98347392. Its totient is φ = 98347390.

The previous prime is 98347373. The next prime is 98347393. The reversal of 98347391 is 19374389.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98347391 is a prime.

Together with 98347393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98347393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49173695 + 49173696.

It is an arithmetic number, because the mean of its divisors is an integer number (49173696).

Almost surely, 2^98347391 is an apocalyptic number.

98347391 is a deficient number, since it is larger than the sum of its proper divisors (1).

98347391 is an equidigital number, since it uses as much as digits as its factorization.

98347391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 98347391 is about 9917.0253100413. The cubic root of 98347391 is about 461.5877568622.

The spelling of 98347391 in words is "ninety-eight million, three hundred forty-seven thousand, three hundred ninety-one".