98563497 has 4 divisors (see below), whose sum is σ = 131418000. Its totient is φ = 65708996.

The previous prime is 98563447. The next prime is 98563511. The reversal of 98563497 is 79436589.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79436589 = 3 ⋅26478863.

It is a cyclic number.

It is not a de Polignac number, because 98563497 - 2¹⁶ = 98497961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98563447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16427247 + ... + 16427252.

It is an arithmetic number, because the mean of its divisors is an integer number (32854500).

Almost surely, 2^98563497 is an apocalyptic number.

It is an amenable number.

98563497 is a deficient number, since it is larger than the sum of its proper divisors (32854503).

98563497 is a wasteful number, since it uses less digits than its factorization.

98563497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32854502.

The product of its digits is 1632960, while the sum is 51.

The square root of 98563497 is about 9927.9150379120. The cubic root of 98563497 is about 461.9256031700.

The spelling of 98563497 in words is "ninety-eight million, five hundred sixty-three thousand, four hundred ninety-seven".