98664449 has 4 divisors (see below), whose sum is σ = 106254036. Its totient is φ = 91074864.

The previous prime is 98664437. The next prime is 98664469. The reversal of 98664449 is 94446689.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21224449 + 77440000 = 4607^2 + 8800^2 .

It is a cyclic number.

It is not a de Polignac number, because 98664449 - 2⁸ = 98664193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 98664397 and 98664406.

It is not an unprimeable number, because it can be changed into a prime (98664469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3794774 + ... + 3794799.

It is an arithmetic number, because the mean of its divisors is an integer number (26563509).

It is a Proth number, since it is equal to 3011 ⋅ 2¹⁵ + 1 and 3011 < 2¹⁵.

Almost surely, 2^98664449 is an apocalyptic number.

It is an amenable number.

98664449 is a deficient number, since it is larger than the sum of its proper divisors (7589587).

98664449 is a wasteful number, since it uses less digits than its factorization.

98664449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7589586.

The product of its digits is 1492992, while the sum is 50.

The square root of 98664449 is about 9932.9979865094. The cubic root of 98664449 is about 462.0832558615.

The spelling of 98664449 in words is "ninety-eight million, six hundred sixty-four thousand, four hundred forty-nine".