2002857393 has 16 divisors (see below), whose sum is σ = 2901708800. Its totient is φ = 1224156240.

The previous prime is 2002857377. The next prime is 2002857403. The reversal of 2002857393 is 3937582002.

It is not a de Polignac number, because 2002857393 - 2⁴ = 2002857377 is a prime.

It is a super-2 number, since 2×2002857393² = 8022875473389512898, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2002857293) 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 15 ways as a sum of consecutive naturals, for example, 564973 + ... + 568506.

It is an arithmetic number, because the mean of its divisors is an integer number (181356800).

Almost surely, 2^2002857393 is an apocalyptic number.

It is an amenable number.

2002857393 is a deficient number, since it is larger than the sum of its proper divisors (898851407).

2002857393 is a wasteful number, since it uses less digits than its factorization.

2002857393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133532.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 2002857393 is about 44753.2947725640. The cubic root of 2002857393 is about 1260.5207793065.

It can be divided in two parts, 20028 and 57393, that added together give a triangular number (77421 = T₃₉₃).

The spelling of 2002857393 in words is "two billion, two million, eight hundred fifty-seven thousand, three hundred ninety-three".