98454431 has 2 divisors, whose sum is σ = 98454432. Its totient is φ = 98454430.

The previous prime is 98454413. The next prime is 98454437. The reversal of 98454431 is 13445489.

Together with previous prime (98454413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (13445489) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98454431 is a prime.

It is a super-2 number, since 2×98454431² = 19386549967067522, which contains 22 as substring.

It is a Sophie Germain prime.

It is equal to p_5677652 and since 98454431 and 5677652 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98454437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49227215 + 49227216.

It is an arithmetic number, because the mean of its divisors is an integer number (49227216).

Almost surely, 2^98454431 is an apocalyptic number.

98454431 is a deficient number, since it is larger than the sum of its proper divisors (1).

98454431 is an equidigital number, since it uses as much as digits as its factorization.

98454431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 98454431 is about 9922.4206220055. The cubic root of 98454431 is about 461.7551581483.

The spelling of 98454431 in words is "ninety-eight million, four hundred fifty-four thousand, four hundred thirty-one".