2021846874 has 16 divisors (see below), whose sum is σ = 4046226240. Its totient is φ = 673526880.

The previous prime is 2021846863. The next prime is 2021846881. The reversal of 2021846874 is 4786481202.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 95062 + ... + 114369.

It is an arithmetic number, because the mean of its divisors is an integer number (252889140).

Almost surely, 2^2021846874 is an apocalyptic number.

2021846874 is an abundant number, since it is smaller than the sum of its proper divisors (2024379366).

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

2021846874 is a wasteful number, since it uses less digits than its factorization.

2021846874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211045.

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 2021846874 is about 44964.9516178990. The cubic root of 2021846874 is about 1264.4920026430.

The spelling of 2021846874 in words is "two billion, twenty-one million, eight hundred forty-six thousand, eight hundred seventy-four".