98996521 has 8 divisors (see below), whose sum is σ = 106754760. Its totient is φ = 91258752.

The previous prime is 98996519. The next prime is 98996533. The reversal of 98996521 is 12569989.

98996521 = 7035² + 7036².

It can be written as a sum of positive squares in 4 ways, for example, as 49505296 + 49491225 = 7036^2 + 7035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98996521 - 2¹ = 98996519 is a prime.

It is a super-2 number, since 2×98996521² = 19600622340206882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98996501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5811 + ... + 15223.

It is an arithmetic number, because the mean of its divisors is an integer number (13344345).

Almost surely, 2^98996521 is an apocalyptic number.

98996521 is the 7036-th centered square number.

It is an amenable number.

98996521 is a deficient number, since it is larger than the sum of its proper divisors (7758239).

98996521 is a wasteful number, since it uses less digits than its factorization.

98996521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235.

The product of its digits is 349920, while the sum is 49.

The square root of 98996521 is about 9949.6995432023. The cubic root of 98996521 is about 462.6010819726.

The spelling of 98996521 in words is "ninety-eight million, nine hundred ninety-six thousand, five hundred twenty-one".