98044391 has 2 divisors, whose sum is σ = 98044392. Its totient is φ = 98044390.

The previous prime is 98044367. The next prime is 98044411. The reversal of 98044391 is 19344089.

It is a strong prime.

It is an emirp because it is prime and its reverse (19344089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98044391 - 2⁶ = 98044327 is a prime.

It is a super-2 number, since 2×98044391² = 19225405213121762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98044291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49022195 + 49022196.

It is an arithmetic number, because the mean of its divisors is an integer number (49022196).

Almost surely, 2^98044391 is an apocalyptic number.

98044391 is a deficient number, since it is larger than the sum of its proper divisors (1).

98044391 is an equidigital number, since it uses as much as digits as its factorization.

98044391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 98044391 is about 9901.7367668506. The cubic root of 98044391 is about 461.1132315811.

The spelling of 98044391 in words is "ninety-eight million, forty-four thousand, three hundred ninety-one".