4002036 has 12 divisors (see below), whose sum is σ = 9338112. Its totient is φ = 1334008.

The previous prime is 4002017. The next prime is 4002041. The reversal of 4002036 is 6302004.

4002036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×4002036³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166740 + ... + 166763.

It is an arithmetic number, because the mean of its divisors is an integer number (778176).

Almost surely, 2^4002036 is an apocalyptic number.

It is an amenable number.

4002036 is an abundant number, since it is smaller than the sum of its proper divisors (5336076).

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

4002036 is a wasteful number, since it uses less digits than its factorization.

4002036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333510 (or 333508 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 4002036 is about 2000.5089352462. The cubic root of 4002036 is about 158.7670335330.

Subtracting 4002036 from its reverse (6302004), we obtain a cube (2299968 = 132³).

The spelling of 4002036 in words is "four million, two thousand, thirty-six", and thus it is an eban number.