98203521 has 16 divisors (see below), whose sum is σ = 141261120. Its totient is φ = 60325440.

The previous prime is 98203489. The next prime is 98203559. The reversal of 98203521 is 12530289.

It is a happy number.

It is not a de Polignac number, because 98203521 - 2⁵ = 98203489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98203591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23791 + ... + 27611.

It is an arithmetic number, because the mean of its divisors is an integer number (8828820).

Almost surely, 2^98203521 is an apocalyptic number.

It is an amenable number.

98203521 is a deficient number, since it is larger than the sum of its proper divisors (43057599).

98203521 is a wasteful number, since it uses less digits than its factorization.

98203521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 98203521 is about 9909.7689680436. The cubic root of 98203521 is about 461.3625651930.

The spelling of 98203521 in words is "ninety-eight million, two hundred three thousand, five hundred twenty-one".