98728553 has 16 divisors (see below), whose sum is σ = 124830720. Its totient is φ = 75843600.

The previous prime is 98728549. The next prime is 98728573. The reversal of 98728553 is 35582789.

It is not a de Polignac number, because 98728553 - 2² = 98728549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98728498 and 98728507.

It is not an unprimeable number, because it can be changed into a prime (98728573) 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, 3563 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (7801920).

Almost surely, 2^98728553 is an apocalyptic number.

It is an amenable number.

98728553 is a deficient number, since it is larger than the sum of its proper divisors (26102167).

98728553 is a wasteful number, since it uses less digits than its factorization.

98728553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18148.

The product of its digits is 604800, while the sum is 47.

The square root of 98728553 is about 9936.2242828954. The cubic root of 98728553 is about 462.1833086920.

The spelling of 98728553 in words is "ninety-eight million, seven hundred twenty-eight thousand, five hundred fifty-three".