98604431 has 2 divisors, whose sum is σ = 98604432. Its totient is φ = 98604430.

The previous prime is 98604421. The next prime is 98604439. The reversal of 98604431 is 13440689.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98604431 is a prime.

It is a super-2 number, since 2×98604431² = 19445667625667522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 98604391 and 98604400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98604439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49302215 + 49302216.

It is an arithmetic number, because the mean of its divisors is an integer number (49302216).

Almost surely, 2^98604431 is an apocalyptic number.

98604431 is a deficient number, since it is larger than the sum of its proper divisors (1).

98604431 is an equidigital number, since it uses as much as digits as its factorization.

98604431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 98604431 is about 9929.9763846648. The cubic root of 98604431 is about 461.9895411261.

The spelling of 98604431 in words is "ninety-eight million, six hundred four thousand, four hundred thirty-one".