98156628 has 36 divisors (see below), whose sum is σ = 250684980. Its totient is φ = 32380416.

The previous prime is 98156627. The next prime is 98156647. The reversal of 98156628 is 82665189.

98156628 is a `hidden beast` number, since 9 + 8 + 15 + 6 + 628 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14653584 + 83503044 = 3828^2 + 9138^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98156621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10563 + ... + 17546.

Almost surely, 2^98156628 is an apocalyptic number.

It is an amenable number.

98156628 is an abundant number, since it is smaller than the sum of its proper divisors (152528352).

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

98156628 is a wasteful number, since it uses less digits than its factorization.

98156628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28216 (or 28211 counting only the distinct ones).

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

The square root of 98156628 is about 9907.4026868801. The cubic root of 98156628 is about 461.2891186775.

The spelling of 98156628 in words is "ninety-eight million, one hundred fifty-six thousand, six hundred twenty-eight".