2021598794 has 8 divisors (see below), whose sum is σ = 3050556768. Its totient is φ = 1004746540.

The previous prime is 2021598763. The next prime is 2021598797. The reversal of 2021598794 is 4978951202.

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 (2021598797) 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, 3026012 + ... + 3026679.

It is an arithmetic number, because the mean of its divisors is an integer number (381319596).

Almost surely, 2^2021598794 is an apocalyptic number.

2021598794 is a deficient number, since it is larger than the sum of its proper divisors (1028957974).

2021598794 is a wasteful number, since it uses less digits than its factorization.

2021598794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052860.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 2021598794 is about 44962.1929402915. The cubic root of 2021598794 is about 1264.4402829322.

The spelling of 2021598794 in words is "two billion, twenty-one million, five hundred ninety-eight thousand, seven hundred ninety-four".