98440429 has 2 divisors, whose sum is σ = 98440430. Its totient is φ = 98440428.

The previous prime is 98440411. The next prime is 98440439. The reversal of 98440429 is 92404489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93644329 + 4796100 = 9677^2 + 2190^2 .

It is a cyclic number.

It is not a de Polignac number, because 98440429 - 2⁹ = 98439917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98440391 and 98440400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98440409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49220214 + 49220215.

It is an arithmetic number, because the mean of its divisors is an integer number (49220215).

Almost surely, 2^98440429 is an apocalyptic number.

It is an amenable number.

98440429 is a deficient number, since it is larger than the sum of its proper divisors (1).

98440429 is an equidigital number, since it uses as much as digits as its factorization.

98440429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 98440429 is about 9921.7150231197. The cubic root of 98440429 is about 461.7332671334.

The spelling of 98440429 in words is "ninety-eight million, four hundred forty thousand, four hundred twenty-nine".