2001284835 has 32 divisors (see below), whose sum is σ = 3505842432. Its totient is φ = 966794880.

The previous prime is 2001284807. The next prime is 2001284837. The reversal of 2001284835 is 5384821002.

It is not a de Polignac number, because 2001284835 - 2⁶ = 2001284771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 2001284796 and 2001284805.

It is not an unprimeable number, because it can be changed into a prime (2001284837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23812 + ... + 67598.

It is an arithmetic number, because the mean of its divisors is an integer number (109557576).

Almost surely, 2^2001284835 is an apocalyptic number.

2001284835 is a deficient number, since it is larger than the sum of its proper divisors (1504557597).

2001284835 is a wasteful number, since it uses less digits than its factorization.

2001284835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44083.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2001284835 is about 44735.7221356714. The cubic root of 2001284835 is about 1260.1907905848.

The spelling of 2001284835 in words is "two billion, one million, two hundred eighty-four thousand, eight hundred thirty-five".