98561628 has 36 divisors (see below), whose sum is σ = 271792248. Its totient is φ = 29867040.

The previous prime is 98561579. The next prime is 98561653. The reversal of 98561628 is 82616589.

98561628 is a `hidden beast` number, since 9 + 8 + 5 + 616 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 124051 + ... + 124842.

Almost surely, 2^98561628 is an apocalyptic number.

It is an amenable number.

98561628 is an abundant number, since it is smaller than the sum of its proper divisors (173230620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98561628 is a wasteful number, since it uses less digits than its factorization.

98561628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248914 (or 248909 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 98561628 is about 9927.8209089407. The cubic root of 98561628 is about 461.9226834129.

The spelling of 98561628 in words is "ninety-eight million, five hundred sixty-one thousand, six hundred twenty-eight".