2021393848 has 16 divisors (see below), whose sum is σ = 3794172480. Its totient is φ = 1009614528.

The previous prime is 2021393839. The next prime is 2021393863. The reversal of 2021393848 is 8483931202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021393848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127336 + ... + 142327.

It is an arithmetic number, because the mean of its divisors is an integer number (237135780).

Almost surely, 2^2021393848 is an apocalyptic number.

It is an amenable number.

2021393848 is a deficient number, since it is larger than the sum of its proper divisors (1772778632).

2021393848 is a wasteful number, since it uses less digits than its factorization.

2021393848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270606 (or 270602 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2021393848 is about 44959.9137899529. The cubic root of 2021393848 is about 1264.3975526047.

The spelling of 2021393848 in words is "two billion, twenty-one million, three hundred ninety-three thousand, eight hundred forty-eight".