98664469 has 2 divisors, whose sum is σ = 98664470. Its totient is φ = 98664468.

The previous prime is 98664437. The next prime is 98664487. The reversal of 98664469 is 96446689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98267569 + 396900 = 9913^2 + 630^2 .

It is a cyclic number.

It is not a de Polignac number, because 98664469 - 2⁵ = 98664437 is a prime.

It is a super-2 number, since 2×98664469² = 19469354886103922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98664499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49332234 + 49332235.

It is an arithmetic number, because the mean of its divisors is an integer number (49332235).

Almost surely, 2^98664469 is an apocalyptic number.

It is an amenable number.

98664469 is a deficient number, since it is larger than the sum of its proper divisors (1).

98664469 is an equidigital number, since it uses as much as digits as its factorization.

98664469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 52.

The square root of 98664469 is about 9932.9989932548. The cubic root of 98664469 is about 462.0832870840.

The spelling of 98664469 in words is "ninety-eight million, six hundred sixty-four thousand, four hundred sixty-nine".