2021098858 has 8 divisors (see below), whose sum is σ = 3039061860. Its totient is φ = 1008078240.

The previous prime is 2021098853. The next prime is 2021098883. The reversal of 2021098858 is 8588901202.

It can be written as a sum of positive squares in 2 ways, for example, as 1657548369 + 363550489 = 40713^2 + 19067^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2021098853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234573 + ... + 1236208.

Almost surely, 2^2021098858 is an apocalyptic number.

2021098858 is a deficient number, since it is larger than the sum of its proper divisors (1017963002).

2021098858 is a wasteful number, since it uses less digits than its factorization.

2021098858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471192.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 2021098858 is about 44956.6330812262. The cubic root of 2021098858 is about 1264.3360434337.

The spelling of 2021098858 in words is "two billion, twenty-one million, ninety-eight thousand, eight hundred fifty-eight".